Home / 511,564,038.62-767,016,140.40-200,703,071.57

Finding the Fourth Proportional to 511,564,038.62, 767,016,140.40 and 200,703,071.57

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Solution

The fourth proportional to 511,564,038.62, 767,016,140.40 and 200,703,071.57 is: 300,925,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,564,038.62 : 767,016,140.40 = 200,703,071.57 : x
  2. Step 2: Convert to fraction form
    511,564,038.62/767,016,140.40 = 200,703,071.57/x
  3. Step 3: Cross multiply
    511,564,038.62x = 767,016,140.40 × 200,703,071.57
  4. Step 4: Simplify right side
    511,564,038.62x = 153,942,495,318,211,296
  5. Step 5: Solve for x
    x = 153,942,495,318,211,296/511,564,038.62
  6. Step 6: Final answer
    x = 300,925,170.06

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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.