Home / 525,557,250.74-788,414,264.54-193,538,731.72

Finding the Fourth Proportional to 525,557,250.74, 788,414,264.54 and 193,538,731.72

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Solution

The fourth proportional to 525,557,250.74, 788,414,264.54 and 193,538,731.72 is: 290,336,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,557,250.74 : 788,414,264.54 = 193,538,731.72 : x
  2. Step 2: Convert to fraction form
    525,557,250.74/788,414,264.54 = 193,538,731.72/x
  3. Step 3: Cross multiply
    525,557,250.74x = 788,414,264.54 × 193,538,731.72
  4. Step 4: Simplify right side
    525,557,250.74x = 152,588,696,829,028,160
  5. Step 5: Solve for x
    x = 152,588,696,829,028,160/525,557,250.74
  6. Step 6: Final answer
    x = 290,336,964.46

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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.