Home / 709,241,009.70-1,063,861,514.55-437,143,217.70

Finding the Fourth Proportional to 709,241,009.70, 1,063,861,514.55 and 437,143,217.70

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Solution

The fourth proportional to 709,241,009.70, 1,063,861,514.55 and 437,143,217.70 is: 655,714,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,241,009.70 : 1,063,861,514.55 = 437,143,217.70 : x
  2. Step 2: Convert to fraction form
    709,241,009.70/1,063,861,514.55 = 437,143,217.70/x
  3. Step 3: Cross multiply
    709,241,009.70x = 1,063,861,514.55 × 437,143,217.70
  4. Step 4: Simplify right side
    709,241,009.70x = 465,059,845,657,582,336
  5. Step 5: Solve for x
    x = 465,059,845,657,582,336/709,241,009.70
  6. Step 6: Final answer
    x = 655,714,826.55

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Double scale
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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.