Home / 907,153,804.64-1,359,625,231.92-470,213,599.52

Finding the Fourth Proportional to 907,153,804.64, 1,359,625,231.92 and 470,213,599.52

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Solution

The fourth proportional to 907,153,804.64, 1,359,625,231.92 and 470,213,599.52 is: 704,747,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,153,804.64 : 1,359,625,231.92 = 470,213,599.52 : x
  2. Step 2: Convert to fraction form
    907,153,804.64/1,359,625,231.92 = 470,213,599.52/x
  3. Step 3: Cross multiply
    907,153,804.64x = 1,359,625,231.92 × 470,213,599.52
  4. Step 4: Simplify right side
    907,153,804.64x = 639,314,274,299,318,016
  5. Step 5: Solve for x
    x = 639,314,274,299,318,016/907,153,804.64
  6. Step 6: Final answer
    x = 704,747,387.96

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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.