Home / 659,311,472,711.30-989,039,768,478.15-240,643,670,087.30

Finding the Fourth Proportional to 659,311,472,711.30, 989,039,768,478.15 and 240,643,670,087.30

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Solution

The fourth proportional to 659,311,472,711.30, 989,039,768,478.15 and 240,643,670,087.30 is: 360,991,988,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,311,472,711.30 : 989,039,768,478.15 = 240,643,670,087.30 : x
  2. Step 2: Convert to fraction form
    659,311,472,711.30/989,039,768,478.15 = 240,643,670,087.30/x
  3. Step 3: Cross multiply
    659,311,472,711.30x = 989,039,768,478.15 × 240,643,670,087.30
  4. Step 4: Simplify right side
    659,311,472,711.30x = 238,006,159,748,875,490,951,168
  5. Step 5: Solve for x
    x = 238,006,159,748,875,490,951,168/659,311,472,711.30
  6. Step 6: Final answer
    x = 360,991,988,763.85

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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.