Home / 586,083,021.20-879,124,531.80-149,382,861.20

Finding the Fourth Proportional to 586,083,021.20, 879,124,531.80 and 149,382,861.20

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Solution

The fourth proportional to 586,083,021.20, 879,124,531.80 and 149,382,861.20 is: 224,074,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,083,021.20 : 879,124,531.80 = 149,382,861.20 : x
  2. Step 2: Convert to fraction form
    586,083,021.20/879,124,531.80 = 149,382,861.20/x
  3. Step 3: Cross multiply
    586,083,021.20x = 879,124,531.80 × 149,382,861.20
  4. Step 4: Simplify right side
    586,083,021.20x = 131,326,137,911,394,368
  5. Step 5: Solve for x
    x = 131,326,137,911,394,368/586,083,021.20
  6. Step 6: Final answer
    x = 224,074,291.80

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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.