Home / 10,487,349,468.74-14,472,548,072.64-5,664,714,428.69

Finding the Fourth Proportional to 10,487,349,468.74, 14,472,548,072.64 and 5,664,714,428.69

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Solution

The fourth proportional to 10,487,349,468.74, 14,472,548,072.64 and 5,664,714,428.69 is: 7,817,309,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487,349,468.74 : 14,472,548,072.64 = 5,664,714,428.69 : x
  2. Step 2: Convert to fraction form
    10,487,349,468.74/14,472,548,072.64 = 5,664,714,428.69/x
  3. Step 3: Cross multiply
    10,487,349,468.74x = 14,472,548,072.64 × 5,664,714,428.69
  4. Step 4: Simplify right side
    10,487,349,468.74x = 81,982,851,886,993,440,768
  5. Step 5: Solve for x
    x = 81,982,851,886,993,440,768/10,487,349,468.74
  6. Step 6: Final answer
    x = 7,817,309,047.57

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Double scale
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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.