Home / 714,523,294.50-1,071,666,064.67-216,415,381.91

Finding the Fourth Proportional to 714,523,294.50, 1,071,666,064.67 and 216,415,381.91

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Solution

The fourth proportional to 714,523,294.50, 1,071,666,064.67 and 216,415,381.91 is: 324,587,067.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,523,294.50 : 1,071,666,064.67 = 216,415,381.91 : x
  2. Step 2: Convert to fraction form
    714,523,294.50/1,071,666,064.67 = 216,415,381.91/x
  3. Step 3: Cross multiply
    714,523,294.50x = 1,071,666,064.67 × 216,415,381.91
  4. Step 4: Simplify right side
    714,523,294.50x = 231,925,020,667,172,160
  5. Step 5: Solve for x
    x = 231,925,020,667,172,160/714,523,294.50
  6. Step 6: Final answer
    x = 324,587,067.28

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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.