Home / 1,047,868,791,772.10-1,571,803,187,658.10-868,996,752,000.78

Finding the Fourth Proportional to 1,047,868,791,772.10, 1,571,803,187,658.10 and 868,996,752,000.78

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Solution

The fourth proportional to 1,047,868,791,772.10, 1,571,803,187,658.10 and 868,996,752,000.78 is: 1,303,495,128,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,868,791,772.10 : 1,571,803,187,658.10 = 868,996,752,000.78 : x
  2. Step 2: Convert to fraction form
    1,047,868,791,772.10/1,571,803,187,658.10 = 868,996,752,000.78/x
  3. Step 3: Cross multiply
    1,047,868,791,772.10x = 1,571,803,187,658.10 × 868,996,752,000.78
  4. Step 4: Simplify right side
    1,047,868,791,772.10x = 1,365,891,864,859,361,448,820,736
  5. Step 5: Solve for x
    x = 1,365,891,864,859,361,448,820,736/1,047,868,791,772.10
  6. Step 6: Final answer
    x = 1,303,495,128,001.13

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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.