Home / 737,389,981.64-1,105,312,351.52-343,592,142.32

Finding the Fourth Proportional to 737,389,981.64, 1,105,312,351.52 and 343,592,142.32

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Solution

The fourth proportional to 737,389,981.64, 1,105,312,351.52 and 343,592,142.32 is: 515,028,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,389,981.64 : 1,105,312,351.52 = 343,592,142.32 : x
  2. Step 2: Convert to fraction form
    737,389,981.64/1,105,312,351.52 = 343,592,142.32/x
  3. Step 3: Cross multiply
    737,389,981.64x = 1,105,312,351.52 × 343,592,142.32
  4. Step 4: Simplify right side
    737,389,981.64x = 379,776,638,791,513,664
  5. Step 5: Solve for x
    x = 379,776,638,791,513,664/737,389,981.64
  6. Step 6: Final answer
    x = 515,028,205.22

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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.