Home / 1,971,834,057.12-2,721,216,024.72-1,091,767,838.88

Finding the Fourth Proportional to 1,971,834,057.12, 2,721,216,024.72 and 1,091,767,838.88

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Solution

The fourth proportional to 1,971,834,057.12, 2,721,216,024.72 and 1,091,767,838.88 is: 1,506,686,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,834,057.12 : 2,721,216,024.72 = 1,091,767,838.88 : x
  2. Step 2: Convert to fraction form
    1,971,834,057.12/2,721,216,024.72 = 1,091,767,838.88/x
  3. Step 3: Cross multiply
    1,971,834,057.12x = 2,721,216,024.72 × 1,091,767,838.88
  4. Step 4: Simplify right side
    1,971,834,057.12x = 2,970,936,138,434,179,072
  5. Step 5: Solve for x
    x = 2,970,936,138,434,179,072/1,971,834,057.12
  6. Step 6: Final answer
    x = 1,506,686,694.91

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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.