Home / 3,905,676,271.80-5,389,829,153.38-2,121,531,120.24

Finding the Fourth Proportional to 3,905,676,271.80, 5,389,829,153.38 and 2,121,531,120.24

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Solution

The fourth proportional to 3,905,676,271.80, 5,389,829,153.38 and 2,121,531,120.24 is: 2,927,710,717.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,676,271.80 : 5,389,829,153.38 = 2,121,531,120.24 : x
  2. Step 2: Convert to fraction form
    3,905,676,271.80/5,389,829,153.38 = 2,121,531,120.24/x
  3. Step 3: Cross multiply
    3,905,676,271.80x = 5,389,829,153.38 × 2,121,531,120.24
  4. Step 4: Simplify right side
    3,905,676,271.80x = 11,434,690,281,654,243,328
  5. Step 5: Solve for x
    x = 11,434,690,281,654,243,328/3,905,676,271.80
  6. Step 6: Final answer
    x = 2,927,710,717.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.