Home / 1,239,676,086.39-1,710,873,837.08-925,865,490.30

Finding the Fourth Proportional to 1,239,676,086.39, 1,710,873,837.08 and 925,865,490.30

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Solution

The fourth proportional to 1,239,676,086.39, 1,710,873,837.08 and 925,865,490.30 is: 1,277,784,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,676,086.39 : 1,710,873,837.08 = 925,865,490.30 : x
  2. Step 2: Convert to fraction form
    1,239,676,086.39/1,710,873,837.08 = 925,865,490.30/x
  3. Step 3: Cross multiply
    1,239,676,086.39x = 1,710,873,837.08 × 925,865,490.30
  4. Step 4: Simplify right side
    1,239,676,086.39x = 1,584,039,044,009,516,288
  5. Step 5: Solve for x
    x = 1,584,039,044,009,516,288/1,239,676,086.39
  6. Step 6: Final answer
    x = 1,277,784,625.68

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Double scale
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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.