Home / 592,385,516.78-817,098,385.95-380,959,653.74

Finding the Fourth Proportional to 592,385,516.78, 817,098,385.95 and 380,959,653.74

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Solution

The fourth proportional to 592,385,516.78, 817,098,385.95 and 380,959,653.74 is: 525,471,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,385,516.78 : 817,098,385.95 = 380,959,653.74 : x
  2. Step 2: Convert to fraction form
    592,385,516.78/817,098,385.95 = 380,959,653.74/x
  3. Step 3: Cross multiply
    592,385,516.78x = 817,098,385.95 × 380,959,653.74
  4. Step 4: Simplify right side
    592,385,516.78x = 311,281,518,178,939,392
  5. Step 5: Solve for x
    x = 311,281,518,178,939,392/592,385,516.78
  6. Step 6: Final answer
    x = 525,471,182.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.