Home / 435,488,608.80-653,232,913.20-193,623,904.80

Finding the Fourth Proportional to 435,488,608.80, 653,232,913.20 and 193,623,904.80

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Solution

The fourth proportional to 435,488,608.80, 653,232,913.20 and 193,623,904.80 is: 290,435,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,488,608.80 : 653,232,913.20 = 193,623,904.80 : x
  2. Step 2: Convert to fraction form
    435,488,608.80/653,232,913.20 = 193,623,904.80/x
  3. Step 3: Cross multiply
    435,488,608.80x = 653,232,913.20 × 193,623,904.80
  4. Step 4: Simplify right side
    435,488,608.80x = 126,481,507,397,663,488
  5. Step 5: Solve for x
    x = 126,481,507,397,663,488/435,488,608.80
  6. Step 6: Final answer
    x = 290,435,857.20

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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.