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Finding the Fourth Proportional to 5,038,862,427.70, 7,558,293,641.55 and 5,038,862,427.70

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Solution

The fourth proportional to 5,038,862,427.70, 7,558,293,641.55 and 5,038,862,427.70 is: 7,558,293,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038,862,427.70 : 7,558,293,641.55 = 5,038,862,427.70 : x
  2. Step 2: Convert to fraction form
    5,038,862,427.70/7,558,293,641.55 = 5,038,862,427.70/x
  3. Step 3: Cross multiply
    5,038,862,427.70x = 7,558,293,641.55 × 5,038,862,427.70
  4. Step 4: Simplify right side
    5,038,862,427.70x = 38,085,201,847,930,109,952
  5. Step 5: Solve for x
    x = 38,085,201,847,930,109,952/5,038,862,427.70
  6. Step 6: Final answer
    x = 7,558,293,641.55

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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.