Home / 435,525,686.04-653,416,073.82-128,825,966.28

Finding the Fourth Proportional to 435,525,686.04, 653,416,073.82 and 128,825,966.28

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Solution

The fourth proportional to 435,525,686.04, 653,416,073.82 and 128,825,966.28 is: 193,276,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,525,686.04 : 653,416,073.82 = 128,825,966.28 : x
  2. Step 2: Convert to fraction form
    435,525,686.04/653,416,073.82 = 128,825,966.28/x
  3. Step 3: Cross multiply
    435,525,686.04x = 653,416,073.82 × 128,825,966.28
  4. Step 4: Simplify right side
    435,525,686.04x = 84,176,957,092,745,312
  5. Step 5: Solve for x
    x = 84,176,957,092,745,312/435,525,686.04
  6. Step 6: Final answer
    x = 193,276,676.42

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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.