Home / 660,096,601.20-990,144,901.80-585,482,284.80

Finding the Fourth Proportional to 660,096,601.20, 990,144,901.80 and 585,482,284.80

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Solution

The fourth proportional to 660,096,601.20, 990,144,901.80 and 585,482,284.80 is: 878,223,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,096,601.20 : 990,144,901.80 = 585,482,284.80 : x
  2. Step 2: Convert to fraction form
    660,096,601.20/990,144,901.80 = 585,482,284.80/x
  3. Step 3: Cross multiply
    660,096,601.20x = 990,144,901.80 × 585,482,284.80
  4. Step 4: Simplify right side
    660,096,601.20x = 579,712,299,388,935,552
  5. Step 5: Solve for x
    x = 579,712,299,388,935,552/660,096,601.20
  6. Step 6: Final answer
    x = 878,223,427.20

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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.