Home / 962,037,699.20-1,443,056,548.80-478,308,291.20

Finding the Fourth Proportional to 962,037,699.20, 1,443,056,548.80 and 478,308,291.20

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Solution

The fourth proportional to 962,037,699.20, 1,443,056,548.80 and 478,308,291.20 is: 717,462,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,037,699.20 : 1,443,056,548.80 = 478,308,291.20 : x
  2. Step 2: Convert to fraction form
    962,037,699.20/1,443,056,548.80 = 478,308,291.20/x
  3. Step 3: Cross multiply
    962,037,699.20x = 1,443,056,548.80 × 478,308,291.20
  4. Step 4: Simplify right side
    962,037,699.20x = 690,225,911,961,497,344
  5. Step 5: Solve for x
    x = 690,225,911,961,497,344/962,037,699.20
  6. Step 6: Final answer
    x = 717,462,436.80

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1.5x scale

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.