Home / 508,616,999.80-762,925,499.70-181,461,920.20

Finding the Fourth Proportional to 508,616,999.80, 762,925,499.70 and 181,461,920.20

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Solution

The fourth proportional to 508,616,999.80, 762,925,499.70 and 181,461,920.20 is: 272,192,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,616,999.80 : 762,925,499.70 = 181,461,920.20 : x
  2. Step 2: Convert to fraction form
    508,616,999.80/762,925,499.70 = 181,461,920.20/x
  3. Step 3: Cross multiply
    508,616,999.80x = 762,925,499.70 × 181,461,920.20
  4. Step 4: Simplify right side
    508,616,999.80x = 138,441,926,145,106,528
  5. Step 5: Solve for x
    x = 138,441,926,145,106,528/508,616,999.80
  6. Step 6: Final answer
    x = 272,192,880.30

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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.