Home / 340,440,830.94-469,837,295.56-191,791,140.78

Finding the Fourth Proportional to 340,440,830.94, 469,837,295.56 and 191,791,140.78

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Solution

The fourth proportional to 340,440,830.94, 469,837,295.56 and 191,791,140.78 is: 264,688,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,440,830.94 : 469,837,295.56 = 191,791,140.78 : x
  2. Step 2: Convert to fraction form
    340,440,830.94/469,837,295.56 = 191,791,140.78/x
  3. Step 3: Cross multiply
    340,440,830.94x = 469,837,295.56 × 191,791,140.78
  4. Step 4: Simplify right side
    340,440,830.94x = 90,110,630,896,442,432
  5. Step 5: Solve for x
    x = 90,110,630,896,442,432/340,440,830.94
  6. Step 6: Final answer
    x = 264,688,082.94

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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.