Home / 868,811,275.20-1,303,216,912.80-255,457,502.40

Finding the Fourth Proportional to 868,811,275.20, 1,303,216,912.80 and 255,457,502.40

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Solution

The fourth proportional to 868,811,275.20, 1,303,216,912.80 and 255,457,502.40 is: 383,186,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,811,275.20 : 1,303,216,912.80 = 255,457,502.40 : x
  2. Step 2: Convert to fraction form
    868,811,275.20/1,303,216,912.80 = 255,457,502.40/x
  3. Step 3: Cross multiply
    868,811,275.20x = 1,303,216,912.80 × 255,457,502.40
  4. Step 4: Simplify right side
    868,811,275.20x = 332,916,537,629,326,592
  5. Step 5: Solve for x
    x = 332,916,537,629,326,592/868,811,275.20
  6. Step 6: Final answer
    x = 383,186,253.60

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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.