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Finding the Fourth Proportional to 2,989,341,187.70, 4,484,011,781.55 and 2,989,341,187.70

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Solution

The fourth proportional to 2,989,341,187.70, 4,484,011,781.55 and 2,989,341,187.70 is: 4,484,011,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,341,187.70 : 4,484,011,781.55 = 2,989,341,187.70 : x
  2. Step 2: Convert to fraction form
    2,989,341,187.70/4,484,011,781.55 = 2,989,341,187.70/x
  3. Step 3: Cross multiply
    2,989,341,187.70x = 4,484,011,781.55 × 2,989,341,187.70
  4. Step 4: Simplify right side
    2,989,341,187.70x = 13,404,241,104,719,470,592
  5. Step 5: Solve for x
    x = 13,404,241,104,719,470,592/2,989,341,187.70
  6. Step 6: Final answer
    x = 4,484,011,781.55

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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.