Home / 747,340,433.10-1,121,010,649.65-553,630,188.60

Finding the Fourth Proportional to 747,340,433.10, 1,121,010,649.65 and 553,630,188.60

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Solution

The fourth proportional to 747,340,433.10, 1,121,010,649.65 and 553,630,188.60 is: 830,445,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340,433.10 : 1,121,010,649.65 = 553,630,188.60 : x
  2. Step 2: Convert to fraction form
    747,340,433.10/1,121,010,649.65 = 553,630,188.60/x
  3. Step 3: Cross multiply
    747,340,433.10x = 1,121,010,649.65 × 553,630,188.60
  4. Step 4: Simplify right side
    747,340,433.10x = 620,625,337,388,338,048
  5. Step 5: Solve for x
    x = 620,625,337,388,338,048/747,340,433.10
  6. Step 6: Final answer
    x = 830,445,282.90

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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.