Home / 1,012,926,417.40-1,519,389,626.10-849,667,742.20

Finding the Fourth Proportional to 1,012,926,417.40, 1,519,389,626.10 and 849,667,742.20

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Solution

The fourth proportional to 1,012,926,417.40, 1,519,389,626.10 and 849,667,742.20 is: 1,274,501,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,926,417.40 : 1,519,389,626.10 = 849,667,742.20 : x
  2. Step 2: Convert to fraction form
    1,012,926,417.40/1,519,389,626.10 = 849,667,742.20/x
  3. Step 3: Cross multiply
    1,012,926,417.40x = 1,519,389,626.10 × 849,667,742.20
  4. Step 4: Simplify right side
    1,012,926,417.40x = 1,290,976,353,130,489,088
  5. Step 5: Solve for x
    x = 1,290,976,353,130,489,088/1,012,926,417.40
  6. Step 6: Final answer
    x = 1,274,501,613.30

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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.