Home / 1,005,929,346.30-1,508,894,019.45-958,312,232.70

Finding the Fourth Proportional to 1,005,929,346.30, 1,508,894,019.45 and 958,312,232.70

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Solution

The fourth proportional to 1,005,929,346.30, 1,508,894,019.45 and 958,312,232.70 is: 1,437,468,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,929,346.30 : 1,508,894,019.45 = 958,312,232.70 : x
  2. Step 2: Convert to fraction form
    1,005,929,346.30/1,508,894,019.45 = 958,312,232.70/x
  3. Step 3: Cross multiply
    1,005,929,346.30x = 1,508,894,019.45 × 958,312,232.70
  4. Step 4: Simplify right side
    1,005,929,346.30x = 1,445,991,596,686,806,784
  5. Step 5: Solve for x
    x = 1,445,991,596,686,806,784/1,005,929,346.30
  6. Step 6: Final answer
    x = 1,437,468,349.05

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Double scale
Find fourth proportional to 1,005,929,347.30, 1,508,894,020.95 and 958,312,233.70
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.