Home / 1,225,782,005.10-1,838,673,007.65-735,049,385.70

Finding the Fourth Proportional to 1,225,782,005.10, 1,838,673,007.65 and 735,049,385.70

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Solution

The fourth proportional to 1,225,782,005.10, 1,838,673,007.65 and 735,049,385.70 is: 1,102,574,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,782,005.10 : 1,838,673,007.65 = 735,049,385.70 : x
  2. Step 2: Convert to fraction form
    1,225,782,005.10/1,838,673,007.65 = 735,049,385.70/x
  3. Step 3: Cross multiply
    1,225,782,005.10x = 1,838,673,007.65 × 735,049,385.70
  4. Step 4: Simplify right side
    1,225,782,005.10x = 1,351,515,464,776,304,128
  5. Step 5: Solve for x
    x = 1,351,515,464,776,304,128/1,225,782,005.10
  6. Step 6: Final answer
    x = 1,102,574,078.55

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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.