Home / 660,056,747.65-990,085,304.94-245,479,401.22

Finding the Fourth Proportional to 660,056,747.65, 990,085,304.94 and 245,479,401.22

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Solution

The fourth proportional to 660,056,747.65, 990,085,304.94 and 245,479,401.22 is: 368,219,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,056,747.65 : 990,085,304.94 = 245,479,401.22 : x
  2. Step 2: Convert to fraction form
    660,056,747.65/990,085,304.94 = 245,479,401.22/x
  3. Step 3: Cross multiply
    660,056,747.65x = 990,085,304.94 × 245,479,401.22
  4. Step 4: Simplify right side
    660,056,747.65x = 243,045,547,813,392,320
  5. Step 5: Solve for x
    x = 243,045,547,813,392,320/660,056,747.65
  6. Step 6: Final answer
    x = 368,219,170.06

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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.