Home / 714,733,717.16-986,356,480.13-397,207,343.95

Finding the Fourth Proportional to 714,733,717.16, 986,356,480.13 and 397,207,343.95

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Solution

The fourth proportional to 714,733,717.16, 986,356,480.13 and 397,207,343.95 is: 548,159,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,733,717.16 : 986,356,480.13 = 397,207,343.95 : x
  2. Step 2: Convert to fraction form
    714,733,717.16/986,356,480.13 = 397,207,343.95/x
  3. Step 3: Cross multiply
    714,733,717.16x = 986,356,480.13 × 397,207,343.95
  4. Step 4: Simplify right side
    714,733,717.16x = 391,788,037,657,345,856
  5. Step 5: Solve for x
    x = 391,788,037,657,345,856/714,733,717.16
  6. Step 6: Final answer
    x = 548,159,444.91

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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.