Home / 717,143,845.60-1,075,715,768.40-655,921,842.40

Finding the Fourth Proportional to 717,143,845.60, 1,075,715,768.40 and 655,921,842.40

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Solution

The fourth proportional to 717,143,845.60, 1,075,715,768.40 and 655,921,842.40 is: 983,882,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,143,845.60 : 1,075,715,768.40 = 655,921,842.40 : x
  2. Step 2: Convert to fraction form
    717,143,845.60/1,075,715,768.40 = 655,921,842.40/x
  3. Step 3: Cross multiply
    717,143,845.60x = 1,075,715,768.40 × 655,921,842.40
  4. Step 4: Simplify right side
    717,143,845.60x = 705,585,468,707,659,776
  5. Step 5: Solve for x
    x = 705,585,468,707,659,776/717,143,845.60
  6. Step 6: Final answer
    x = 983,882,763.60

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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.