Home / 1,128,774,594.40-1,692,502,904.76-437,874,525.52

Finding the Fourth Proportional to 1,128,774,594.40, 1,692,502,904.76 and 437,874,525.52

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Solution

The fourth proportional to 1,128,774,594.40, 1,692,502,904.76 and 437,874,525.52 is: 656,556,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,774,594.40 : 1,692,502,904.76 = 437,874,525.52 : x
  2. Step 2: Convert to fraction form
    1,128,774,594.40/1,692,502,904.76 = 437,874,525.52/x
  3. Step 3: Cross multiply
    1,128,774,594.40x = 1,692,502,904.76 × 437,874,525.52
  4. Step 4: Simplify right side
    1,128,774,594.40x = 741,103,906,363,006,720
  5. Step 5: Solve for x
    x = 741,103,906,363,006,720/1,128,774,594.40
  6. Step 6: Final answer
    x = 656,556,153.94

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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.