Home / 660,097,213.20-990,145,819.80-585,482,896.80

Finding the Fourth Proportional to 660,097,213.20, 990,145,819.80 and 585,482,896.80

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Solution

The fourth proportional to 660,097,213.20, 990,145,819.80 and 585,482,896.80 is: 878,224,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,097,213.20 : 990,145,819.80 = 585,482,896.80 : x
  2. Step 2: Convert to fraction form
    660,097,213.20/990,145,819.80 = 585,482,896.80/x
  3. Step 3: Cross multiply
    660,097,213.20x = 990,145,819.80 × 585,482,896.80
  4. Step 4: Simplify right side
    660,097,213.20x = 579,713,442,830,914,688
  5. Step 5: Solve for x
    x = 579,713,442,830,914,688/660,097,213.20
  6. Step 6: Final answer
    x = 878,224,345.20

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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.