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Finding the Fourth Proportional to 1,838,605,510.90, 2,757,908,266.35 and 1,838,605,510.90

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Solution

The fourth proportional to 1,838,605,510.90, 2,757,908,266.35 and 1,838,605,510.90 is: 2,757,908,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,605,510.90 : 2,757,908,266.35 = 1,838,605,510.90 : x
  2. Step 2: Convert to fraction form
    1,838,605,510.90/2,757,908,266.35 = 1,838,605,510.90/x
  3. Step 3: Cross multiply
    1,838,605,510.90x = 2,757,908,266.35 × 1,838,605,510.90
  4. Step 4: Simplify right side
    1,838,605,510.90x = 5,070,705,337,067,774,976
  5. Step 5: Solve for x
    x = 5,070,705,337,067,774,976/1,838,605,510.90
  6. Step 6: Final answer
    x = 2,757,908,266.35

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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.