Home / 988,520,454.56-1,485,095,993.40-932,678,405.84

Finding the Fourth Proportional to 988,520,454.56, 1,485,095,993.40 and 932,678,405.84

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Solution

The fourth proportional to 988,520,454.56, 1,485,095,993.40 and 932,678,405.84 is: 1,401,202,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,520,454.56 : 1,485,095,993.40 = 932,678,405.84 : x
  2. Step 2: Convert to fraction form
    988,520,454.56/1,485,095,993.40 = 932,678,405.84/x
  3. Step 3: Cross multiply
    988,520,454.56x = 1,485,095,993.40 × 932,678,405.84
  4. Step 4: Simplify right side
    988,520,454.56x = 1,385,116,963,643,683,328
  5. Step 5: Solve for x
    x = 1,385,116,963,643,683,328/988,520,454.56
  6. Step 6: Final answer
    x = 1,401,202,127.13

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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.