Home / 1,298,900,724.30-1,948,351,048.80-599,185,837.10

Finding the Fourth Proportional to 1,298,900,724.30, 1,948,351,048.80 and 599,185,837.10

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Solution

The fourth proportional to 1,298,900,724.30, 1,948,351,048.80 and 599,185,837.10 is: 898,778,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,900,724.30 : 1,948,351,048.80 = 599,185,837.10 : x
  2. Step 2: Convert to fraction form
    1,298,900,724.30/1,948,351,048.80 = 599,185,837.10/x
  3. Step 3: Cross multiply
    1,298,900,724.30x = 1,948,351,048.80 × 599,185,837.10
  4. Step 4: Simplify right side
    1,298,900,724.30x = 1,167,424,354,139,890,944
  5. Step 5: Solve for x
    x = 1,167,424,354,139,890,944/1,298,900,724.30
  6. Step 6: Final answer
    x = 898,778,738.28

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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.