Home / 581,961,894.34-873,328,391.52-319,829,506.78

Finding the Fourth Proportional to 581,961,894.34, 873,328,391.52 and 319,829,506.78

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Solution

The fourth proportional to 581,961,894.34, 873,328,391.52 and 319,829,506.78 is: 479,956,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,961,894.34 : 873,328,391.52 = 319,829,506.78 : x
  2. Step 2: Convert to fraction form
    581,961,894.34/873,328,391.52 = 319,829,506.78/x
  3. Step 3: Cross multiply
    581,961,894.34x = 873,328,391.52 × 319,829,506.78
  4. Step 4: Simplify right side
    581,961,894.34x = 279,316,188,716,812,288
  5. Step 5: Solve for x
    x = 279,316,188,716,812,288/581,961,894.34
  6. Step 6: Final answer
    x = 479,956,147.36

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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.