Home / 871,060,043.20-1,306,590,064.80-804,547,249.60

Finding the Fourth Proportional to 871,060,043.20, 1,306,590,064.80 and 804,547,249.60

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Solution

The fourth proportional to 871,060,043.20, 1,306,590,064.80 and 804,547,249.60 is: 1,206,820,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,060,043.20 : 1,306,590,064.80 = 804,547,249.60 : x
  2. Step 2: Convert to fraction form
    871,060,043.20/1,306,590,064.80 = 804,547,249.60/x
  3. Step 3: Cross multiply
    871,060,043.20x = 1,306,590,064.80 × 804,547,249.60
  4. Step 4: Simplify right side
    871,060,043.20x = 1,051,213,442,989,525,760
  5. Step 5: Solve for x
    x = 1,051,213,442,989,525,760/871,060,043.20
  6. Step 6: Final answer
    x = 1,206,820,874.40

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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.