Home / 805,969,320.40-1,208,953,980.60-295,299,701.20

Finding the Fourth Proportional to 805,969,320.40, 1,208,953,980.60 and 295,299,701.20

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Solution

The fourth proportional to 805,969,320.40, 1,208,953,980.60 and 295,299,701.20 is: 442,949,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,969,320.40 : 1,208,953,980.60 = 295,299,701.20 : x
  2. Step 2: Convert to fraction form
    805,969,320.40/1,208,953,980.60 = 295,299,701.20/x
  3. Step 3: Cross multiply
    805,969,320.40x = 1,208,953,980.60 × 295,299,701.20
  4. Step 4: Simplify right side
    805,969,320.40x = 357,003,749,235,730,560
  5. Step 5: Solve for x
    x = 357,003,749,235,730,560/805,969,320.40
  6. Step 6: Final answer
    x = 442,949,551.80

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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.