Home / 506,925,557.76-700,836,627.78-374,557,781.28

Finding the Fourth Proportional to 506,925,557.76, 700,836,627.78 and 374,557,781.28

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Solution

The fourth proportional to 506,925,557.76, 700,836,627.78 and 374,557,781.28 is: 517,835,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,925,557.76 : 700,836,627.78 = 374,557,781.28 : x
  2. Step 2: Convert to fraction form
    506,925,557.76/700,836,627.78 = 374,557,781.28/x
  3. Step 3: Cross multiply
    506,925,557.76x = 700,836,627.78 × 374,557,781.28
  4. Step 4: Simplify right side
    506,925,557.76x = 262,503,812,341,033,984
  5. Step 5: Solve for x
    x = 262,503,812,341,033,984/506,925,557.76
  6. Step 6: Final answer
    x = 517,835,031.84

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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.