Home / 1,257,385,220.20-1,722,623,898.17-1,210,258,772.20

Finding the Fourth Proportional to 1,257,385,220.20, 1,722,623,898.17 and 1,210,258,772.20

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Solution

The fourth proportional to 1,257,385,220.20, 1,722,623,898.17 and 1,210,258,772.20 is: 1,658,060,434.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,385,220.20 : 1,722,623,898.17 = 1,210,258,772.20 : x
  2. Step 2: Convert to fraction form
    1,257,385,220.20/1,722,623,898.17 = 1,210,258,772.20/x
  3. Step 3: Cross multiply
    1,257,385,220.20x = 1,722,623,898.17 × 1,210,258,772.20
  4. Step 4: Simplify right side
    1,257,385,220.20x = 2,084,820,683,961,602,304
  5. Step 5: Solve for x
    x = 2,084,820,683,961,602,304/1,257,385,220.20
  6. Step 6: Final answer
    x = 1,658,060,434.04

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.