Home / 1,241,183,008.60-1,861,774,512.90-550,356,947.80

Finding the Fourth Proportional to 1,241,183,008.60, 1,861,774,512.90 and 550,356,947.80

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Solution

The fourth proportional to 1,241,183,008.60, 1,861,774,512.90 and 550,356,947.80 is: 825,535,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,183,008.60 : 1,861,774,512.90 = 550,356,947.80 : x
  2. Step 2: Convert to fraction form
    1,241,183,008.60/1,861,774,512.90 = 550,356,947.80/x
  3. Step 3: Cross multiply
    1,241,183,008.60x = 1,861,774,512.90 × 550,356,947.80
  4. Step 4: Simplify right side
    1,241,183,008.60x = 1,024,640,538,411,475,712
  5. Step 5: Solve for x
    x = 1,024,640,538,411,475,712/1,241,183,008.60
  6. Step 6: Final answer
    x = 825,535,421.70

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.