Home / 836,506,654.76-1,154,372,800.12-460,155,138.65

Finding the Fourth Proportional to 836,506,654.76, 1,154,372,800.12 and 460,155,138.65

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Solution

The fourth proportional to 836,506,654.76, 1,154,372,800.12 and 460,155,138.65 is: 635,010,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,506,654.76 : 1,154,372,800.12 = 460,155,138.65 : x
  2. Step 2: Convert to fraction form
    836,506,654.76/1,154,372,800.12 = 460,155,138.65/x
  3. Step 3: Cross multiply
    836,506,654.76x = 1,154,372,800.12 × 460,155,138.65
  4. Step 4: Simplify right side
    836,506,654.76x = 531,190,575,893,007,232
  5. Step 5: Solve for x
    x = 531,190,575,893,007,232/836,506,654.76
  6. Step 6: Final answer
    x = 635,010,579.86

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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.