Home / 580,011,279.80-800,432,888.17-357,121,547.31

Finding the Fourth Proportional to 580,011,279.80, 800,432,888.17 and 357,121,547.31

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Solution

The fourth proportional to 580,011,279.80, 800,432,888.17 and 357,121,547.31 is: 492,838,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,011,279.80 : 800,432,888.17 = 357,121,547.31 : x
  2. Step 2: Convert to fraction form
    580,011,279.80/800,432,888.17 = 357,121,547.31/x
  3. Step 3: Cross multiply
    580,011,279.80x = 800,432,888.17 × 357,121,547.31
  4. Step 4: Simplify right side
    580,011,279.80x = 285,851,831,540,189,792
  5. Step 5: Solve for x
    x = 285,851,831,540,189,792/580,011,279.80
  6. Step 6: Final answer
    x = 492,838,400.72

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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.