Home / 704,596,081.03-972,342,560.98-391,359,441.22

Finding the Fourth Proportional to 704,596,081.03, 972,342,560.98 and 391,359,441.22

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Solution

The fourth proportional to 704,596,081.03, 972,342,560.98 and 391,359,441.22 is: 540,076,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,596,081.03 : 972,342,560.98 = 391,359,441.22 : x
  2. Step 2: Convert to fraction form
    704,596,081.03/972,342,560.98 = 391,359,441.22/x
  3. Step 3: Cross multiply
    704,596,081.03x = 972,342,560.98 × 391,359,441.22
  4. Step 4: Simplify right side
    704,596,081.03x = 380,535,441,337,614,912
  5. Step 5: Solve for x
    x = 380,535,441,337,614,912/704,596,081.03
  6. Step 6: Final answer
    x = 540,076,011.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.