Home / 908,121,017.20-1,362,181,525.80-862,771,385.20

Finding the Fourth Proportional to 908,121,017.20, 1,362,181,525.80 and 862,771,385.20

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Solution

The fourth proportional to 908,121,017.20, 1,362,181,525.80 and 862,771,385.20 is: 1,294,157,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,121,017.20 : 1,362,181,525.80 = 862,771,385.20 : x
  2. Step 2: Convert to fraction form
    908,121,017.20/1,362,181,525.80 = 862,771,385.20/x
  3. Step 3: Cross multiply
    908,121,017.20x = 1,362,181,525.80 × 862,771,385.20
  4. Step 4: Simplify right side
    908,121,017.20x = 1,175,251,241,908,315,648
  5. Step 5: Solve for x
    x = 1,175,251,241,908,315,648/908,121,017.20
  6. Step 6: Final answer
    x = 1,294,157,077.80

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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.