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Finding the Fourth Proportional to 909,582,463.80, 1,364,373,695.70 and 901,929,713.40

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Solution

The fourth proportional to 909,582,463.80, 1,364,373,695.70 and 901,929,713.40 is: 1,352,894,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,582,463.80 : 1,364,373,695.70 = 901,929,713.40 : x
  2. Step 2: Convert to fraction form
    909,582,463.80/1,364,373,695.70 = 901,929,713.40/x
  3. Step 3: Cross multiply
    909,582,463.80x = 1,364,373,695.70 × 901,929,713.40
  4. Step 4: Simplify right side
    909,582,463.80x = 1,230,569,176,333,199,872
  5. Step 5: Solve for x
    x = 1,230,569,176,333,199,872/909,582,463.80
  6. Step 6: Final answer
    x = 1,352,894,570.10

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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.