Home / 1,470,360,633.40-2,205,540,950.10-1,288,962,105.40

Finding the Fourth Proportional to 1,470,360,633.40, 2,205,540,950.10 and 1,288,962,105.40

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Solution

The fourth proportional to 1,470,360,633.40, 2,205,540,950.10 and 1,288,962,105.40 is: 1,933,443,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,360,633.40 : 2,205,540,950.10 = 1,288,962,105.40 : x
  2. Step 2: Convert to fraction form
    1,470,360,633.40/2,205,540,950.10 = 1,288,962,105.40/x
  3. Step 3: Cross multiply
    1,470,360,633.40x = 2,205,540,950.10 × 1,288,962,105.40
  4. Step 4: Simplify right side
    1,470,360,633.40x = 2,842,858,706,586,812,416
  5. Step 5: Solve for x
    x = 2,842,858,706,586,812,416/1,470,360,633.40
  6. Step 6: Final answer
    x = 1,933,443,158.10

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Double scale
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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.