Home / 863,411,309.32-1,191,511,196.72-466,934,298.86

Finding the Fourth Proportional to 863,411,309.32, 1,191,511,196.72 and 466,934,298.86

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Solution

The fourth proportional to 863,411,309.32, 1,191,511,196.72 and 466,934,298.86 is: 644,371,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,411,309.32 : 1,191,511,196.72 = 466,934,298.86 : x
  2. Step 2: Convert to fraction form
    863,411,309.32/1,191,511,196.72 = 466,934,298.86/x
  3. Step 3: Cross multiply
    863,411,309.32x = 1,191,511,196.72 × 466,934,298.86
  4. Step 4: Simplify right side
    863,411,309.32x = 556,357,445,224,292,736
  5. Step 5: Solve for x
    x = 556,357,445,224,292,736/863,411,309.32
  6. Step 6: Final answer
    x = 644,371,273.83

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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.