Home / 531,473,723.40-798,060,890.70-402,227,272.20

Finding the Fourth Proportional to 531,473,723.40, 798,060,890.70 and 402,227,272.20

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Solution

The fourth proportional to 531,473,723.40, 798,060,890.70 and 402,227,272.20 is: 603,984,432.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,473,723.40 : 798,060,890.70 = 402,227,272.20 : x
  2. Step 2: Convert to fraction form
    531,473,723.40/798,060,890.70 = 402,227,272.20/x
  3. Step 3: Cross multiply
    531,473,723.40x = 798,060,890.70 × 402,227,272.20
  4. Step 4: Simplify right side
    531,473,723.40x = 321,001,855,115,763,328
  5. Step 5: Solve for x
    x = 321,001,855,115,763,328/531,473,723.40
  6. Step 6: Final answer
    x = 603,984,432.31

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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.