Home / 1,038,649,215.10-1,557,973,822.65-651,665,688.70

Finding the Fourth Proportional to 1,038,649,215.10, 1,557,973,822.65 and 651,665,688.70

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Solution

The fourth proportional to 1,038,649,215.10, 1,557,973,822.65 and 651,665,688.70 is: 977,498,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,649,215.10 : 1,557,973,822.65 = 651,665,688.70 : x
  2. Step 2: Convert to fraction form
    1,038,649,215.10/1,557,973,822.65 = 651,665,688.70/x
  3. Step 3: Cross multiply
    1,038,649,215.10x = 1,557,973,822.65 × 651,665,688.70
  4. Step 4: Simplify right side
    1,038,649,215.10x = 1,015,278,084,113,784,064
  5. Step 5: Solve for x
    x = 1,015,278,084,113,784,064/1,038,649,215.10
  6. Step 6: Final answer
    x = 977,498,533.05

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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.