Home / 994,557,236.40-1,488,966,073.20-879,765,980.40

Finding the Fourth Proportional to 994,557,236.40, 1,488,966,073.20 and 879,765,980.40

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Solution

The fourth proportional to 994,557,236.40, 1,488,966,073.20 and 879,765,980.40 is: 1,317,110,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,557,236.40 : 1,488,966,073.20 = 879,765,980.40 : x
  2. Step 2: Convert to fraction form
    994,557,236.40/1,488,966,073.20 = 879,765,980.40/x
  3. Step 3: Cross multiply
    994,557,236.40x = 1,488,966,073.20 × 879,765,980.40
  4. Step 4: Simplify right side
    994,557,236.40x = 1,309,941,697,171,136,256
  5. Step 5: Solve for x
    x = 1,309,941,697,171,136,256/994,557,236.40
  6. Step 6: Final answer
    x = 1,317,110,417.81

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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.