Home / 897,071,011.20-1,345,858,459.20-437,024,188.80

Finding the Fourth Proportional to 897,071,011.20, 1,345,858,459.20 and 437,024,188.80

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Solution

The fourth proportional to 897,071,011.20, 1,345,858,459.20 and 437,024,188.80 is: 655,659,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,071,011.20 : 1,345,858,459.20 = 437,024,188.80 : x
  2. Step 2: Convert to fraction form
    897,071,011.20/1,345,858,459.20 = 437,024,188.80/x
  3. Step 3: Cross multiply
    897,071,011.20x = 1,345,858,459.20 × 437,024,188.80
  4. Step 4: Simplify right side
    897,071,011.20x = 588,172,701,371,497,984
  5. Step 5: Solve for x
    x = 588,172,701,371,497,984/897,071,011.20
  6. Step 6: Final answer
    x = 655,659,021.45

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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.