Home / 435,468,005.80-653,202,008.70-193,603,301.80

Finding the Fourth Proportional to 435,468,005.80, 653,202,008.70 and 193,603,301.80

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Solution

The fourth proportional to 435,468,005.80, 653,202,008.70 and 193,603,301.80 is: 290,404,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,468,005.80 : 653,202,008.70 = 193,603,301.80 : x
  2. Step 2: Convert to fraction form
    435,468,005.80/653,202,008.70 = 193,603,301.80/x
  3. Step 3: Cross multiply
    435,468,005.80x = 653,202,008.70 × 193,603,301.80
  4. Step 4: Simplify right side
    435,468,005.80x = 126,462,065,626,712,336
  5. Step 5: Solve for x
    x = 126,462,065,626,712,336/435,468,005.80
  6. Step 6: Final answer
    x = 290,404,952.70

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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.