Home / 374,701,623.57-517,142,328.09-215,901,332.55

Finding the Fourth Proportional to 374,701,623.57, 517,142,328.09 and 215,901,332.55

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Solution

The fourth proportional to 374,701,623.57, 517,142,328.09 and 215,901,332.55 is: 297,975,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,701,623.57 : 517,142,328.09 = 215,901,332.55 : x
  2. Step 2: Convert to fraction form
    374,701,623.57/517,142,328.09 = 215,901,332.55/x
  3. Step 3: Cross multiply
    374,701,623.57x = 517,142,328.09 × 215,901,332.55
  4. Step 4: Simplify right side
    374,701,623.57x = 111,651,717,751,830,672
  5. Step 5: Solve for x
    x = 111,651,717,751,830,672/374,701,623.57
  6. Step 6: Final answer
    x = 297,975,003.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.