Home / 1,298,692,572.39-1,948,708,605.47-608,669,927.91

Finding the Fourth Proportional to 1,298,692,572.39, 1,948,708,605.47 and 608,669,927.91

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Solution

The fourth proportional to 1,298,692,572.39, 1,948,708,605.47 and 608,669,927.91 is: 913,318,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,692,572.39 : 1,948,708,605.47 = 608,669,927.91 : x
  2. Step 2: Convert to fraction form
    1,298,692,572.39/1,948,708,605.47 = 608,669,927.91/x
  3. Step 3: Cross multiply
    1,298,692,572.39x = 1,948,708,605.47 × 608,669,927.91
  4. Step 4: Simplify right side
    1,298,692,572.39x = 1,186,120,326,405,978,112
  5. Step 5: Solve for x
    x = 1,186,120,326,405,978,112/1,298,692,572.39
  6. Step 6: Final answer
    x = 913,318,788.16

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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.