Home / 861,525,263.52-1,188,888,613.20-526,973,171.04

Finding the Fourth Proportional to 861,525,263.52, 1,188,888,613.20 and 526,973,171.04

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Solution

The fourth proportional to 861,525,263.52, 1,188,888,613.20 and 526,973,171.04 is: 727,213,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,525,263.52 : 1,188,888,613.20 = 526,973,171.04 : x
  2. Step 2: Convert to fraction form
    861,525,263.52/1,188,888,613.20 = 526,973,171.04/x
  3. Step 3: Cross multiply
    861,525,263.52x = 1,188,888,613.20 × 526,973,171.04
  4. Step 4: Simplify right side
    861,525,263.52x = 626,512,402,511,352,064
  5. Step 5: Solve for x
    x = 626,512,402,511,352,064/861,525,263.52
  6. Step 6: Final answer
    x = 727,213,036.04

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Half scale
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Double scale
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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.