Home / 462,388,961.28-693,097,925.76-155,574,556.32

Finding the Fourth Proportional to 462,388,961.28, 693,097,925.76 and 155,574,556.32

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Solution

The fourth proportional to 462,388,961.28, 693,097,925.76 and 155,574,556.32 is: 233,198,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,388,961.28 : 693,097,925.76 = 155,574,556.32 : x
  2. Step 2: Convert to fraction form
    462,388,961.28/693,097,925.76 = 155,574,556.32/x
  3. Step 3: Cross multiply
    462,388,961.28x = 693,097,925.76 × 155,574,556.32
  4. Step 4: Simplify right side
    462,388,961.28x = 107,828,402,286,424,288
  5. Step 5: Solve for x
    x = 107,828,402,286,424,288/462,388,961.28
  6. Step 6: Final answer
    x = 233,198,478.59

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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.