Home / 522,663,320.79-784,113,094.31-172,908,561.59

Finding the Fourth Proportional to 522,663,320.79, 784,113,094.31 and 172,908,561.59

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Solution

The fourth proportional to 522,663,320.79, 784,113,094.31 and 172,908,561.59 is: 259,401,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,663,320.79 : 784,113,094.31 = 172,908,561.59 : x
  2. Step 2: Convert to fraction form
    522,663,320.79/784,113,094.31 = 172,908,561.59/x
  3. Step 3: Cross multiply
    522,663,320.79x = 784,113,094.31 × 172,908,561.59
  4. Step 4: Simplify right side
    522,663,320.79x = 135,579,867,264,235,296
  5. Step 5: Solve for x
    x = 135,579,867,264,235,296/522,663,320.79
  6. Step 6: Final answer
    x = 259,401,916.82

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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.