Home / 838,472,031.70-1,257,708,047.55-838,472,031.70

Finding the Fourth Proportional to 838,472,031.70, 1,257,708,047.55 and 838,472,031.70

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Solution

The fourth proportional to 838,472,031.70, 1,257,708,047.55 and 838,472,031.70 is: 1,257,708,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,472,031.70 : 1,257,708,047.55 = 838,472,031.70 : x
  2. Step 2: Convert to fraction form
    838,472,031.70/1,257,708,047.55 = 838,472,031.70/x
  3. Step 3: Cross multiply
    838,472,031.70x = 1,257,708,047.55 × 838,472,031.70
  4. Step 4: Simplify right side
    838,472,031.70x = 1,054,553,021,914,688,768
  5. Step 5: Solve for x
    x = 1,054,553,021,914,688,768/838,472,031.70
  6. Step 6: Final answer
    x = 1,257,708,047.55

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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.