Home / 747,340,043.20-1,121,010,064.80-502,452,030.40

Finding the Fourth Proportional to 747,340,043.20, 1,121,010,064.80 and 502,452,030.40

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Solution

The fourth proportional to 747,340,043.20, 1,121,010,064.80 and 502,452,030.40 is: 753,678,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340,043.20 : 1,121,010,064.80 = 502,452,030.40 : x
  2. Step 2: Convert to fraction form
    747,340,043.20/1,121,010,064.80 = 502,452,030.40/x
  3. Step 3: Cross multiply
    747,340,043.20x = 1,121,010,064.80 × 502,452,030.40
  4. Step 4: Simplify right side
    747,340,043.20x = 563,253,783,157,595,520
  5. Step 5: Solve for x
    x = 563,253,783,157,595,520/747,340,043.20
  6. Step 6: Final answer
    x = 753,678,045.60

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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.