Home / 534,924,005.80-802,386,008.70-347,670,769.45

Finding the Fourth Proportional to 534,924,005.80, 802,386,008.70 and 347,670,769.45

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Solution

The fourth proportional to 534,924,005.80, 802,386,008.70 and 347,670,769.45 is: 521,506,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,924,005.80 : 802,386,008.70 = 347,670,769.45 : x
  2. Step 2: Convert to fraction form
    534,924,005.80/802,386,008.70 = 347,670,769.45/x
  3. Step 3: Cross multiply
    534,924,005.80x = 802,386,008.70 × 347,670,769.45
  4. Step 4: Simplify right side
    534,924,005.80x = 278,966,161,040,643,392
  5. Step 5: Solve for x
    x = 278,966,161,040,643,392/534,924,005.80
  6. Step 6: Final answer
    x = 521,506,154.18

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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.