Home / 940,021,134.30-1,296,688,876.03-586,984,280.22

Finding the Fourth Proportional to 940,021,134.30, 1,296,688,876.03 and 586,984,280.22

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Solution

The fourth proportional to 940,021,134.30, 1,296,688,876.03 and 586,984,280.22 is: 809,700,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,021,134.30 : 1,296,688,876.03 = 586,984,280.22 : x
  2. Step 2: Convert to fraction form
    940,021,134.30/1,296,688,876.03 = 586,984,280.22/x
  3. Step 3: Cross multiply
    940,021,134.30x = 1,296,688,876.03 × 586,984,280.22
  4. Step 4: Simplify right side
    940,021,134.30x = 761,135,986,565,750,400
  5. Step 5: Solve for x
    x = 761,135,986,565,750,400/940,021,134.30
  6. Step 6: Final answer
    x = 809,700,929.90

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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.