Home / 1,114,706,200.32-1,671,863,781.60-424,654,862.40

Finding the Fourth Proportional to 1,114,706,200.32, 1,671,863,781.60 and 424,654,862.40

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Solution

The fourth proportional to 1,114,706,200.32, 1,671,863,781.60 and 424,654,862.40 is: 636,907,809.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,706,200.32 : 1,671,863,781.60 = 424,654,862.40 : x
  2. Step 2: Convert to fraction form
    1,114,706,200.32/1,671,863,781.60 = 424,654,862.40/x
  3. Step 3: Cross multiply
    1,114,706,200.32x = 1,671,863,781.60 × 424,654,862.40
  4. Step 4: Simplify right side
    1,114,706,200.32x = 709,965,084,126,891,520
  5. Step 5: Solve for x
    x = 709,965,084,126,891,520/1,114,706,200.32
  6. Step 6: Final answer
    x = 636,907,809.36

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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.