Home / 456,191,998.80-684,287,998.20-359,446,117.20

Finding the Fourth Proportional to 456,191,998.80, 684,287,998.20 and 359,446,117.20

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Solution

The fourth proportional to 456,191,998.80, 684,287,998.20 and 359,446,117.20 is: 539,169,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,191,998.80 : 684,287,998.20 = 359,446,117.20 : x
  2. Step 2: Convert to fraction form
    456,191,998.80/684,287,998.20 = 359,446,117.20/x
  3. Step 3: Cross multiply
    456,191,998.80x = 684,287,998.20 × 359,446,117.20
  4. Step 4: Simplify right side
    456,191,998.80x = 245,964,663,999,550,592
  5. Step 5: Solve for x
    x = 245,964,663,999,550,592/456,191,998.80
  6. Step 6: Final answer
    x = 539,169,175.80

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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.