Home / 523,316,556.60-784,124,529.30-436,585,385.40

Finding the Fourth Proportional to 523,316,556.60, 784,124,529.30 and 436,585,385.40

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Solution

The fourth proportional to 523,316,556.60, 784,124,529.30 and 436,585,385.40 is: 654,168,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,316,556.60 : 784,124,529.30 = 436,585,385.40 : x
  2. Step 2: Convert to fraction form
    523,316,556.60/784,124,529.30 = 436,585,385.40/x
  3. Step 3: Cross multiply
    523,316,556.60x = 784,124,529.30 × 436,585,385.40
  4. Step 4: Simplify right side
    523,316,556.60x = 342,337,309,826,034,048
  5. Step 5: Solve for x
    x = 342,337,309,826,034,048/523,316,556.60
  6. Step 6: Final answer
    x = 654,168,696.76

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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.