Home / 940,609,947.14-1,298,124,367.36-517,298,133.86

Finding the Fourth Proportional to 940,609,947.14, 1,298,124,367.36 and 517,298,133.86

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Solution

The fourth proportional to 940,609,947.14, 1,298,124,367.36 and 517,298,133.86 is: 713,916,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,609,947.14 : 1,298,124,367.36 = 517,298,133.86 : x
  2. Step 2: Convert to fraction form
    940,609,947.14/1,298,124,367.36 = 517,298,133.86/x
  3. Step 3: Cross multiply
    940,609,947.14x = 1,298,124,367.36 × 517,298,133.86
  4. Step 4: Simplify right side
    940,609,947.14x = 671,517,312,753,521,024
  5. Step 5: Solve for x
    x = 671,517,312,753,521,024/940,609,947.14
  6. Step 6: Final answer
    x = 713,916,873.62

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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.