Home / 960,669,666.50-1,440,721,815.80-435,735,078.98

Finding the Fourth Proportional to 960,669,666.50, 1,440,721,815.80 and 435,735,078.98

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Solution

The fourth proportional to 960,669,666.50, 1,440,721,815.80 and 435,735,078.98 is: 653,474,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,669,666.50 : 1,440,721,815.80 = 435,735,078.98 : x
  2. Step 2: Convert to fraction form
    960,669,666.50/1,440,721,815.80 = 435,735,078.98/x
  3. Step 3: Cross multiply
    960,669,666.50x = 1,440,721,815.80 × 435,735,078.98
  4. Step 4: Simplify right side
    960,669,666.50x = 627,773,034,195,822,080
  5. Step 5: Solve for x
    x = 627,773,034,195,822,080/960,669,666.50
  6. Step 6: Final answer
    x = 653,474,400.29

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1.5x scale

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.