Home / 1,046,592,081.70-1,569,888,122.55-319,486,315.30

Finding the Fourth Proportional to 1,046,592,081.70, 1,569,888,122.55 and 319,486,315.30

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Solution

The fourth proportional to 1,046,592,081.70, 1,569,888,122.55 and 319,486,315.30 is: 479,229,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,592,081.70 : 1,569,888,122.55 = 319,486,315.30 : x
  2. Step 2: Convert to fraction form
    1,046,592,081.70/1,569,888,122.55 = 319,486,315.30/x
  3. Step 3: Cross multiply
    1,046,592,081.70x = 1,569,888,122.55 × 319,486,315.30
  4. Step 4: Simplify right side
    1,046,592,081.70x = 501,557,771,706,734,336
  5. Step 5: Solve for x
    x = 501,557,771,706,734,336/1,046,592,081.70
  6. Step 6: Final answer
    x = 479,229,472.95

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Double scale
Find fourth proportional to 1,046,592,082.70, 1,569,888,124.05 and 319,486,316.30
Similar ratio
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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.