Home / 386,328,471.80-579,492,707.70-232,895,550.20

Finding the Fourth Proportional to 386,328,471.80, 579,492,707.70 and 232,895,550.20

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Solution

The fourth proportional to 386,328,471.80, 579,492,707.70 and 232,895,550.20 is: 349,343,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,328,471.80 : 579,492,707.70 = 232,895,550.20 : x
  2. Step 2: Convert to fraction form
    386,328,471.80/579,492,707.70 = 232,895,550.20/x
  3. Step 3: Cross multiply
    386,328,471.80x = 579,492,707.70 × 232,895,550.20
  4. Step 4: Simplify right side
    386,328,471.80x = 134,961,272,996,679,280
  5. Step 5: Solve for x
    x = 134,961,272,996,679,280/386,328,471.80
  6. Step 6: Final answer
    x = 349,343,325.30

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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.