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Finding the Fourth Proportional to 1,300,607,726.30, 1,794,840,439.67 and 705,892,219.79

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Solution

The fourth proportional to 1,300,607,726.30, 1,794,840,439.67 and 705,892,219.79 is: 974,132,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,607,726.30 : 1,794,840,439.67 = 705,892,219.79 : x
  2. Step 2: Convert to fraction form
    1,300,607,726.30/1,794,840,439.67 = 705,892,219.79/x
  3. Step 3: Cross multiply
    1,300,607,726.30x = 1,794,840,439.67 × 705,892,219.79
  4. Step 4: Simplify right side
    1,300,607,726.30x = 1,266,963,902,128,473,600
  5. Step 5: Solve for x
    x = 1,266,963,902,128,473,600/1,300,607,726.30
  6. Step 6: Final answer
    x = 974,132,227.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.