Home / 2,457,209,430.30-3,685,814,145.45-905,614,286.70

Finding the Fourth Proportional to 2,457,209,430.30, 3,685,814,145.45 and 905,614,286.70

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Solution

The fourth proportional to 2,457,209,430.30, 3,685,814,145.45 and 905,614,286.70 is: 1,358,421,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457,209,430.30 : 3,685,814,145.45 = 905,614,286.70 : x
  2. Step 2: Convert to fraction form
    2,457,209,430.30/3,685,814,145.45 = 905,614,286.70/x
  3. Step 3: Cross multiply
    2,457,209,430.30x = 3,685,814,145.45 × 905,614,286.70
  4. Step 4: Simplify right side
    2,457,209,430.30x = 3,337,925,948,240,471,552
  5. Step 5: Solve for x
    x = 3,337,925,948,240,471,552/2,457,209,430.30
  6. Step 6: Final answer
    x = 1,358,421,430.05

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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.