Home / 1,648,133,046.70-2,472,199,570.05-557,616,114.70

Finding the Fourth Proportional to 1,648,133,046.70, 2,472,199,570.05 and 557,616,114.70

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Solution

The fourth proportional to 1,648,133,046.70, 2,472,199,570.05 and 557,616,114.70 is: 836,424,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,133,046.70 : 2,472,199,570.05 = 557,616,114.70 : x
  2. Step 2: Convert to fraction form
    1,648,133,046.70/2,472,199,570.05 = 557,616,114.70/x
  3. Step 3: Cross multiply
    1,648,133,046.70x = 2,472,199,570.05 × 557,616,114.70
  4. Step 4: Simplify right side
    1,648,133,046.70x = 1,378,538,319,014,291,712
  5. Step 5: Solve for x
    x = 1,378,538,319,014,291,712/1,648,133,046.70
  6. Step 6: Final answer
    x = 836,424,172.05

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Half scale
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Double scale
Find fourth proportional to 1,648,133,047.70, 2,472,199,571.55 and 557,616,115.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.