Home / 1,091,834,993.18-1,637,752,489.76-354,903,473.18

Finding the Fourth Proportional to 1,091,834,993.18, 1,637,752,489.76 and 354,903,473.18

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Solution

The fourth proportional to 1,091,834,993.18, 1,637,752,489.76 and 354,903,473.18 is: 532,355,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,834,993.18 : 1,637,752,489.76 = 354,903,473.18 : x
  2. Step 2: Convert to fraction form
    1,091,834,993.18/1,637,752,489.76 = 354,903,473.18/x
  3. Step 3: Cross multiply
    1,091,834,993.18x = 1,637,752,489.76 × 354,903,473.18
  4. Step 4: Simplify right side
    1,091,834,993.18x = 581,244,046,817,714,944
  5. Step 5: Solve for x
    x = 581,244,046,817,714,944/1,091,834,993.18
  6. Step 6: Final answer
    x = 532,355,209.76

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Half scale
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Double scale
Find fourth proportional to 1,091,834,994.18, 1,637,752,491.26 and 354,903,474.18
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.