Home / 1,215,380,722.20-1,677,227,041.28-658,463,752.88

Finding the Fourth Proportional to 1,215,380,722.20, 1,677,227,041.28 and 658,463,752.88

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Solution

The fourth proportional to 1,215,380,722.20, 1,677,227,041.28 and 658,463,752.88 is: 908,680,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,380,722.20 : 1,677,227,041.28 = 658,463,752.88 : x
  2. Step 2: Convert to fraction form
    1,215,380,722.20/1,677,227,041.28 = 658,463,752.88/x
  3. Step 3: Cross multiply
    1,215,380,722.20x = 1,677,227,041.28 × 658,463,752.88
  4. Step 4: Simplify right side
    1,215,380,722.20x = 1,104,393,212,033,047,424
  5. Step 5: Solve for x
    x = 1,104,393,212,033,047,424/1,215,380,722.20
  6. Step 6: Final answer
    x = 908,680,870.00

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1.5x scale

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.