Home / 747,340,435.10-1,121,010,652.65-553,630,190.60

Finding the Fourth Proportional to 747,340,435.10, 1,121,010,652.65 and 553,630,190.60

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Solution

The fourth proportional to 747,340,435.10, 1,121,010,652.65 and 553,630,190.60 is: 830,445,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340,435.10 : 1,121,010,652.65 = 553,630,190.60 : x
  2. Step 2: Convert to fraction form
    747,340,435.10/1,121,010,652.65 = 553,630,190.60/x
  3. Step 3: Cross multiply
    747,340,435.10x = 1,121,010,652.65 × 553,630,190.60
  4. Step 4: Simplify right side
    747,340,435.10x = 620,625,341,291,249,920
  5. Step 5: Solve for x
    x = 620,625,341,291,249,920/747,340,435.10
  6. Step 6: Final answer
    x = 830,445,285.90

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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.