Home / 448,472,652,729.78-618,896,119,655.34-255,794,581,159.86

Finding the Fourth Proportional to 448,472,652,729.78, 618,896,119,655.34 and 255,794,581,159.86

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Solution

The fourth proportional to 448,472,652,729.78, 618,896,119,655.34 and 255,794,581,159.86 is: 352,998,722,988.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,472,652,729.78 : 618,896,119,655.34 = 255,794,581,159.86 : x
  2. Step 2: Convert to fraction form
    448,472,652,729.78/618,896,119,655.34 = 255,794,581,159.86/x
  3. Step 3: Cross multiply
    448,472,652,729.78x = 618,896,119,655.34 × 255,794,581,159.86
  4. Step 4: Simplify right side
    448,472,652,729.78x = 158,310,273,708,700,280,553,472
  5. Step 5: Solve for x
    x = 158,310,273,708,700,280,553,472/448,472,652,729.78
  6. Step 6: Final answer
    x = 352,998,722,988.11

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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.