Home / 1,240,077,892.60-1,860,116,838.90-749,345,273.20

Finding the Fourth Proportional to 1,240,077,892.60, 1,860,116,838.90 and 749,345,273.20

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Solution

The fourth proportional to 1,240,077,892.60, 1,860,116,838.90 and 749,345,273.20 is: 1,124,017,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,077,892.60 : 1,860,116,838.90 = 749,345,273.20 : x
  2. Step 2: Convert to fraction form
    1,240,077,892.60/1,860,116,838.90 = 749,345,273.20/x
  3. Step 3: Cross multiply
    1,240,077,892.60x = 1,860,116,838.90 × 749,345,273.20
  4. Step 4: Simplify right side
    1,240,077,892.60x = 1,393,869,760,829,441,024
  5. Step 5: Solve for x
    x = 1,393,869,760,829,441,024/1,240,077,892.60
  6. Step 6: Final answer
    x = 1,124,017,909.80

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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.