Home / 572,341,326.40-858,795,424.80-326,886,443.20

Finding the Fourth Proportional to 572,341,326.40, 858,795,424.80 and 326,886,443.20

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Solution

The fourth proportional to 572,341,326.40, 858,795,424.80 and 326,886,443.20 is: 490,491,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,341,326.40 : 858,795,424.80 = 326,886,443.20 : x
  2. Step 2: Convert to fraction form
    572,341,326.40/858,795,424.80 = 326,886,443.20/x
  3. Step 3: Cross multiply
    572,341,326.40x = 858,795,424.80 × 326,886,443.20
  4. Step 4: Simplify right side
    572,341,326.40x = 280,728,581,849,305,056
  5. Step 5: Solve for x
    x = 280,728,581,849,305,056/572,341,326.40
  6. Step 6: Final answer
    x = 490,491,545.69

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Double scale
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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.