Home / 903,753,786.60-1,247,111,780.44-507,200,188.76

Finding the Fourth Proportional to 903,753,786.60, 1,247,111,780.44 and 507,200,188.76

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Solution

The fourth proportional to 903,753,786.60, 1,247,111,780.44 and 507,200,188.76 is: 699,897,848.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,753,786.60 : 1,247,111,780.44 = 507,200,188.76 : x
  2. Step 2: Convert to fraction form
    903,753,786.60/1,247,111,780.44 = 507,200,188.76/x
  3. Step 3: Cross multiply
    903,753,786.60x = 1,247,111,780.44 × 507,200,188.76
  4. Step 4: Simplify right side
    903,753,786.60x = 632,535,330,443,987,712
  5. Step 5: Solve for x
    x = 632,535,330,443,987,712/903,753,786.60
  6. Step 6: Final answer
    x = 699,897,848.09

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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.