Home / 1,010,405,444.10-1,515,608,166.15-885,442,013.70

Finding the Fourth Proportional to 1,010,405,444.10, 1,515,608,166.15 and 885,442,013.70

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Solution

The fourth proportional to 1,010,405,444.10, 1,515,608,166.15 and 885,442,013.70 is: 1,328,163,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,405,444.10 : 1,515,608,166.15 = 885,442,013.70 : x
  2. Step 2: Convert to fraction form
    1,010,405,444.10/1,515,608,166.15 = 885,442,013.70/x
  3. Step 3: Cross multiply
    1,010,405,444.10x = 1,515,608,166.15 × 885,442,013.70
  4. Step 4: Simplify right side
    1,010,405,444.10x = 1,341,983,146,616,020,224
  5. Step 5: Solve for x
    x = 1,341,983,146,616,020,224/1,010,405,444.10
  6. Step 6: Final answer
    x = 1,328,163,020.55

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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.