Home / 625,696,413.84-864,177,679.19-412,070,018.06

Finding the Fourth Proportional to 625,696,413.84, 864,177,679.19 and 412,070,018.06

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Solution

The fourth proportional to 625,696,413.84, 864,177,679.19 and 412,070,018.06 is: 569,128,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,696,413.84 : 864,177,679.19 = 412,070,018.06 : x
  2. Step 2: Convert to fraction form
    625,696,413.84/864,177,679.19 = 412,070,018.06/x
  3. Step 3: Cross multiply
    625,696,413.84x = 864,177,679.19 × 412,070,018.06
  4. Step 4: Simplify right side
    625,696,413.84x = 356,101,711,864,490,944
  5. Step 5: Solve for x
    x = 356,101,711,864,490,944/625,696,413.84
  6. Step 6: Final answer
    x = 569,128,580.55

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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.