Home / 766,944,148.80-1,150,416,223.20-306,953,313.60

Finding the Fourth Proportional to 766,944,148.80, 1,150,416,223.20 and 306,953,313.60

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Solution

The fourth proportional to 766,944,148.80, 1,150,416,223.20 and 306,953,313.60 is: 460,429,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,944,148.80 : 1,150,416,223.20 = 306,953,313.60 : x
  2. Step 2: Convert to fraction form
    766,944,148.80/1,150,416,223.20 = 306,953,313.60/x
  3. Step 3: Cross multiply
    766,944,148.80x = 1,150,416,223.20 × 306,953,313.60
  4. Step 4: Simplify right side
    766,944,148.80x = 353,124,071,730,437,248
  5. Step 5: Solve for x
    x = 353,124,071,730,437,248/766,944,148.80
  6. Step 6: Final answer
    x = 460,429,970.40

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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.