Home / 1,306,935,632.78-1,803,518,694.82-712,207,441.44

Finding the Fourth Proportional to 1,306,935,632.78, 1,803,518,694.82 and 712,207,441.44

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Solution

The fourth proportional to 1,306,935,632.78, 1,803,518,694.82 and 712,207,441.44 is: 982,817,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,935,632.78 : 1,803,518,694.82 = 712,207,441.44 : x
  2. Step 2: Convert to fraction form
    1,306,935,632.78/1,803,518,694.82 = 712,207,441.44/x
  3. Step 3: Cross multiply
    1,306,935,632.78x = 1,803,518,694.82 × 712,207,441.44
  4. Step 4: Simplify right side
    1,306,935,632.78x = 1,284,479,435,226,960,384
  5. Step 5: Solve for x
    x = 1,284,479,435,226,960,384/1,306,935,632.78
  6. Step 6: Final answer
    x = 982,817,671.36

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Double scale
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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.