Home / 1,458,440,430.57-2,187,666,255.51-353,043,478.62

Finding the Fourth Proportional to 1,458,440,430.57, 2,187,666,255.51 and 353,043,478.62

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Solution

The fourth proportional to 1,458,440,430.57, 2,187,666,255.51 and 353,043,478.62 is: 529,566,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,440,430.57 : 2,187,666,255.51 = 353,043,478.62 : x
  2. Step 2: Convert to fraction form
    1,458,440,430.57/2,187,666,255.51 = 353,043,478.62/x
  3. Step 3: Cross multiply
    1,458,440,430.57x = 2,187,666,255.51 × 353,043,478.62
  4. Step 4: Simplify right side
    1,458,440,430.57x = 772,341,304,904,840,192
  5. Step 5: Solve for x
    x = 772,341,304,904,840,192/1,458,440,430.57
  6. Step 6: Final answer
    x = 529,566,575.85

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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.