Home / 416,278,235.89-624,175,315.93-157,513,445.65

Finding the Fourth Proportional to 416,278,235.89, 624,175,315.93 and 157,513,445.65

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Solution

The fourth proportional to 416,278,235.89, 624,175,315.93 and 157,513,445.65 is: 236,178,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,278,235.89 : 624,175,315.93 = 157,513,445.65 : x
  2. Step 2: Convert to fraction form
    416,278,235.89/624,175,315.93 = 157,513,445.65/x
  3. Step 3: Cross multiply
    416,278,235.89x = 624,175,315.93 × 157,513,445.65
  4. Step 4: Simplify right side
    416,278,235.89x = 98,316,004,701,811,632
  5. Step 5: Solve for x
    x = 98,316,004,701,811,632/416,278,235.89
  6. Step 6: Final answer
    x = 236,178,584.96

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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.