Home / 765,817,281.48-1,056,799,947.19-426,708,235.83

Finding the Fourth Proportional to 765,817,281.48, 1,056,799,947.19 and 426,708,235.83

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Solution

The fourth proportional to 765,817,281.48, 1,056,799,947.19 and 426,708,235.83 is: 588,841,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,817,281.48 : 1,056,799,947.19 = 426,708,235.83 : x
  2. Step 2: Convert to fraction form
    765,817,281.48/1,056,799,947.19 = 426,708,235.83/x
  3. Step 3: Cross multiply
    765,817,281.48x = 1,056,799,947.19 × 426,708,235.83
  4. Step 4: Simplify right side
    765,817,281.48x = 450,945,241,090,682,048
  5. Step 5: Solve for x
    x = 450,945,241,090,682,048/765,817,281.48
  6. Step 6: Final answer
    x = 588,841,819.06

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Double scale
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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.