Home / 579,414,512.80-869,121,769.20-526,695,565.60

Finding the Fourth Proportional to 579,414,512.80, 869,121,769.20 and 526,695,565.60

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Solution

The fourth proportional to 579,414,512.80, 869,121,769.20 and 526,695,565.60 is: 790,043,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,414,512.80 : 869,121,769.20 = 526,695,565.60 : x
  2. Step 2: Convert to fraction form
    579,414,512.80/869,121,769.20 = 526,695,565.60/x
  3. Step 3: Cross multiply
    579,414,512.80x = 869,121,769.20 × 526,695,565.60
  4. Step 4: Simplify right side
    579,414,512.80x = 457,762,581,804,066,688
  5. Step 5: Solve for x
    x = 457,762,581,804,066,688/579,414,512.80
  6. Step 6: Final answer
    x = 790,043,348.40

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Double scale
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1.5x scale

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.