Home / 753,237,215.70-1,129,393,666.71-292,637,694.66

Finding the Fourth Proportional to 753,237,215.70, 1,129,393,666.71 and 292,637,694.66

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Solution

The fourth proportional to 753,237,215.70, 1,129,393,666.71 and 292,637,694.66 is: 438,776,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,237,215.70 : 1,129,393,666.71 = 292,637,694.66 : x
  2. Step 2: Convert to fraction form
    753,237,215.70/1,129,393,666.71 = 292,637,694.66/x
  3. Step 3: Cross multiply
    753,237,215.70x = 1,129,393,666.71 × 292,637,694.66
  4. Step 4: Simplify right side
    753,237,215.70x = 330,503,158,989,618,816
  5. Step 5: Solve for x
    x = 330,503,158,989,618,816/753,237,215.70
  6. Step 6: Final answer
    x = 438,776,990.97

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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.