Home / 535,494,729.40-799,636,064.24-437,321,189.72

Finding the Fourth Proportional to 535,494,729.40, 799,636,064.24 and 437,321,189.72

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Solution

The fourth proportional to 535,494,729.40, 799,636,064.24 and 437,321,189.72 is: 653,036,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,494,729.40 : 799,636,064.24 = 437,321,189.72 : x
  2. Step 2: Convert to fraction form
    535,494,729.40/799,636,064.24 = 437,321,189.72/x
  3. Step 3: Cross multiply
    535,494,729.40x = 799,636,064.24 × 437,321,189.72
  4. Step 4: Simplify right side
    535,494,729.40x = 349,697,794,959,547,520
  5. Step 5: Solve for x
    x = 349,697,794,959,547,520/535,494,729.40
  6. Step 6: Final answer
    x = 653,036,856.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.