Home / 918,176,420.80-1,379,952,016.80-799,931,454.40

Finding the Fourth Proportional to 918,176,420.80, 1,379,952,016.80 and 799,931,454.40

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Solution

The fourth proportional to 918,176,420.80, 1,379,952,016.80 and 799,931,454.40 is: 1,202,238,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,176,420.80 : 1,379,952,016.80 = 799,931,454.40 : x
  2. Step 2: Convert to fraction form
    918,176,420.80/1,379,952,016.80 = 799,931,454.40/x
  3. Step 3: Cross multiply
    918,176,420.80x = 1,379,952,016.80 × 799,931,454.40
  4. Step 4: Simplify right side
    918,176,420.80x = 1,103,867,023,801,037,184
  5. Step 5: Solve for x
    x = 1,103,867,023,801,037,184/918,176,420.80
  6. Step 6: Final answer
    x = 1,202,238,479.22

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1.5x scale

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.