Home / 1,038,649,216.10-1,557,973,824.15-651,665,689.70

Finding the Fourth Proportional to 1,038,649,216.10, 1,557,973,824.15 and 651,665,689.70

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Solution

The fourth proportional to 1,038,649,216.10, 1,557,973,824.15 and 651,665,689.70 is: 977,498,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,649,216.10 : 1,557,973,824.15 = 651,665,689.70 : x
  2. Step 2: Convert to fraction form
    1,038,649,216.10/1,557,973,824.15 = 651,665,689.70/x
  3. Step 3: Cross multiply
    1,038,649,216.10x = 1,557,973,824.15 × 651,665,689.70
  4. Step 4: Simplify right side
    1,038,649,216.10x = 1,015,278,086,649,256,448
  5. Step 5: Solve for x
    x = 1,015,278,086,649,256,448/1,038,649,216.10
  6. Step 6: Final answer
    x = 977,498,534.55

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Double scale
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Similar ratio
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1.5x scale

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.