Home / 1,085,559,784.16-1,498,071,368.40-590,521,311.68

Finding the Fourth Proportional to 1,085,559,784.16, 1,498,071,368.40 and 590,521,311.68

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Solution

The fourth proportional to 1,085,559,784.16, 1,498,071,368.40 and 590,521,311.68 is: 814,918,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,559,784.16 : 1,498,071,368.40 = 590,521,311.68 : x
  2. Step 2: Convert to fraction form
    1,085,559,784.16/1,498,071,368.40 = 590,521,311.68/x
  3. Step 3: Cross multiply
    1,085,559,784.16x = 1,498,071,368.40 × 590,521,311.68
  4. Step 4: Simplify right side
    1,085,559,784.16x = 884,643,069,457,820,544
  5. Step 5: Solve for x
    x = 884,643,069,457,820,544/1,085,559,784.16
  6. Step 6: Final answer
    x = 814,918,793.39

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Half scale
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Double scale
Find fourth proportional to 1,085,559,785.16, 1,498,071,369.78 and 590,521,312.68
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.