Home / 660,072,710,097.78-990,107,829,382.44-206,826,312,322.16

Finding the Fourth Proportional to 660,072,710,097.78, 990,107,829,382.44 and 206,826,312,322.16

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Solution

The fourth proportional to 660,072,710,097.78, 990,107,829,382.44 and 206,826,312,322.16 is: 310,239,081,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,072,710,097.78 : 990,107,829,382.44 = 206,826,312,322.16 : x
  2. Step 2: Convert to fraction form
    660,072,710,097.78/990,107,829,382.44 = 206,826,312,322.16/x
  3. Step 3: Cross multiply
    660,072,710,097.78x = 990,107,829,382.44 × 206,826,312,322.16
  4. Step 4: Simplify right side
    660,072,710,097.78x = 204,780,351,152,468,447,461,376
  5. Step 5: Solve for x
    x = 204,780,351,152,468,447,461,376/660,072,710,097.78
  6. Step 6: Final answer
    x = 310,239,081,270.51

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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.