Home / 836,793,742.20-1,154,740,687.65-455,317,352.25

Finding the Fourth Proportional to 836,793,742.20, 1,154,740,687.65 and 455,317,352.25

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Solution

The fourth proportional to 836,793,742.20, 1,154,740,687.65 and 455,317,352.25 is: 628,319,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,793,742.20 : 1,154,740,687.65 = 455,317,352.25 : x
  2. Step 2: Convert to fraction form
    836,793,742.20/1,154,740,687.65 = 455,317,352.25/x
  3. Step 3: Cross multiply
    836,793,742.20x = 1,154,740,687.65 × 455,317,352.25
  4. Step 4: Simplify right side
    836,793,742.20x = 525,773,472,436,142,336
  5. Step 5: Solve for x
    x = 525,773,472,436,142,336/836,793,742.20
  6. Step 6: Final answer
    x = 628,319,077.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.