Home / 1,078,945,013.17-1,488,944,100.12-583,907,721.67

Finding the Fourth Proportional to 1,078,945,013.17, 1,488,944,100.12 and 583,907,721.67

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Solution

The fourth proportional to 1,078,945,013.17, 1,488,944,100.12 and 583,907,721.67 is: 805,792,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,945,013.17 : 1,488,944,100.12 = 583,907,721.67 : x
  2. Step 2: Convert to fraction form
    1,078,945,013.17/1,488,944,100.12 = 583,907,721.67/x
  3. Step 3: Cross multiply
    1,078,945,013.17x = 1,488,944,100.12 × 583,907,721.67
  4. Step 4: Simplify right side
    1,078,945,013.17x = 869,405,957,195,057,408
  5. Step 5: Solve for x
    x = 869,405,957,195,057,408/1,078,945,013.17
  6. Step 6: Final answer
    x = 805,792,646.13

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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.