Home / 30,690,136,068.48-42,351,937,045.16-17,141,970,944.71

Finding the Fourth Proportional to 30,690,136,068.48, 42,351,937,045.16 and 17,141,970,944.71

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Solution

The fourth proportional to 30,690,136,068.48, 42,351,937,045.16 and 17,141,970,944.71 is: 23,655,668,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690,136,068.48 : 42,351,937,045.16 = 17,141,970,944.71 : x
  2. Step 2: Convert to fraction form
    30,690,136,068.48/42,351,937,045.16 = 17,141,970,944.71/x
  3. Step 3: Cross multiply
    30,690,136,068.48x = 42,351,937,045.16 × 17,141,970,944.71
  4. Step 4: Simplify right side
    30,690,136,068.48x = 725,995,674,280,022,376,448
  5. Step 5: Solve for x
    x = 725,995,674,280,022,376,448/30,690,136,068.48
  6. Step 6: Final answer
    x = 23,655,668,148.88

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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.