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Finding the Fourth Proportional to 582,714,009.60, 874,071,014.40 and 579,312,787.20

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Solution

The fourth proportional to 582,714,009.60, 874,071,014.40 and 579,312,787.20 is: 868,969,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,714,009.60 : 874,071,014.40 = 579,312,787.20 : x
  2. Step 2: Convert to fraction form
    582,714,009.60/874,071,014.40 = 579,312,787.20/x
  3. Step 3: Cross multiply
    582,714,009.60x = 874,071,014.40 × 579,312,787.20
  4. Step 4: Simplify right side
    582,714,009.60x = 506,360,515,562,795,392
  5. Step 5: Solve for x
    x = 506,360,515,562,795,392/582,714,009.60
  6. Step 6: Final answer
    x = 868,969,180.80

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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.