Home / 45,403,608,386.70-68,105,412,580.05-18,865,304,890.20

Finding the Fourth Proportional to 45,403,608,386.70, 68,105,412,580.05 and 18,865,304,890.20

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Solution

The fourth proportional to 45,403,608,386.70, 68,105,412,580.05 and 18,865,304,890.20 is: 28,297,957,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,403,608,386.70 : 68,105,412,580.05 = 18,865,304,890.20 : x
  2. Step 2: Convert to fraction form
    45,403,608,386.70/68,105,412,580.05 = 18,865,304,890.20/x
  3. Step 3: Cross multiply
    45,403,608,386.70x = 68,105,412,580.05 × 18,865,304,890.20
  4. Step 4: Simplify right side
    45,403,608,386.70x = 1,284,829,372,995,506,012,160
  5. Step 5: Solve for x
    x = 1,284,829,372,995,506,012,160/45,403,608,386.70
  6. Step 6: Final answer
    x = 28,297,957,335.30

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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.