Home / 1,122,675,979,651.50-1,683,778,317,759.90-316,654,426,042.20

Finding the Fourth Proportional to 1,122,675,979,651.50, 1,683,778,317,759.90 and 316,654,426,042.20

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Solution

The fourth proportional to 1,122,675,979,651.50, 1,683,778,317,759.90 and 316,654,426,042.20 is: 474,915,172,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,675,979,651.50 : 1,683,778,317,759.90 = 316,654,426,042.20 : x
  2. Step 2: Convert to fraction form
    1,122,675,979,651.50/1,683,778,317,759.90 = 316,654,426,042.20/x
  3. Step 3: Cross multiply
    1,122,675,979,651.50x = 1,683,778,317,759.90 × 316,654,426,042.20
  4. Step 4: Simplify right side
    1,122,675,979,651.50x = 533,175,856,792,562,189,729,792
  5. Step 5: Solve for x
    x = 533,175,856,792,562,189,729,792/1,122,675,979,651.50
  6. Step 6: Final answer
    x = 474,915,172,726.93

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Double scale
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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.