Home / 923,484,189.84-1,274,428,801.92-526,999,285.68

Finding the Fourth Proportional to 923,484,189.84, 1,274,428,801.92 and 526,999,285.68

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Solution

The fourth proportional to 923,484,189.84, 1,274,428,801.92 and 526,999,285.68 is: 727,270,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,484,189.84 : 1,274,428,801.92 = 526,999,285.68 : x
  2. Step 2: Convert to fraction form
    923,484,189.84/1,274,428,801.92 = 526,999,285.68/x
  3. Step 3: Cross multiply
    923,484,189.84x = 1,274,428,801.92 × 526,999,285.68
  4. Step 4: Simplify right side
    923,484,189.84x = 671,623,068,261,858,304
  5. Step 5: Solve for x
    x = 671,623,068,261,858,304/923,484,189.84
  6. Step 6: Final answer
    x = 727,270,781.30

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1.5x scale

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.