Home / 887,947,645-1,332,380,722.40-644,312,948.44

Finding the Fourth Proportional to 887,947,645, 1,332,380,722.40 and 644,312,948.44

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Solution

The fourth proportional to 887,947,645, 1,332,380,722.40 and 644,312,948.44 is: 966,802,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,947,645 : 1,332,380,722.40 = 644,312,948.44 : x
  2. Step 2: Convert to fraction form
    887,947,645/1,332,380,722.40 = 644,312,948.44/x
  3. Step 3: Cross multiply
    887,947,645x = 1,332,380,722.40 × 644,312,948.44
  4. Step 4: Simplify right side
    887,947,645x = 858,470,151,694,161,280
  5. Step 5: Solve for x
    x = 858,470,151,694,161,280/887,947,645
  6. Step 6: Final answer
    x = 966,802,667.40

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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.