Home / 1,046,582,423.60-1,569,873,635.40-319,569,969.20

Finding the Fourth Proportional to 1,046,582,423.60, 1,569,873,635.40 and 319,569,969.20

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Solution

The fourth proportional to 1,046,582,423.60, 1,569,873,635.40 and 319,569,969.20 is: 479,354,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,582,423.60 : 1,569,873,635.40 = 319,569,969.20 : x
  2. Step 2: Convert to fraction form
    1,046,582,423.60/1,569,873,635.40 = 319,569,969.20/x
  3. Step 3: Cross multiply
    1,046,582,423.60x = 1,569,873,635.40 × 319,569,969.20
  4. Step 4: Simplify right side
    1,046,582,423.60x = 501,684,469,312,670,016
  5. Step 5: Solve for x
    x = 501,684,469,312,670,016/1,046,582,423.60
  6. Step 6: Final answer
    x = 479,354,953.80

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Half scale
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Double scale
Find fourth proportional to 1,046,582,424.60, 1,569,873,636.90 and 319,569,970.20
Similar ratio
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1.5x scale

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.