Home / 912,384,002.40-1,368,576,003.60-885,510,146.40

Finding the Fourth Proportional to 912,384,002.40, 1,368,576,003.60 and 885,510,146.40

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Solution

The fourth proportional to 912,384,002.40, 1,368,576,003.60 and 885,510,146.40 is: 1,328,265,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,384,002.40 : 1,368,576,003.60 = 885,510,146.40 : x
  2. Step 2: Convert to fraction form
    912,384,002.40/1,368,576,003.60 = 885,510,146.40/x
  3. Step 3: Cross multiply
    912,384,002.40x = 1,368,576,003.60 × 885,510,146.40
  4. Step 4: Simplify right side
    912,384,002.40x = 1,211,887,937,307,362,816
  5. Step 5: Solve for x
    x = 1,211,887,937,307,362,816/912,384,002.40
  6. Step 6: Final answer
    x = 1,328,265,219.60

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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.