Home / 410,371,511.46-615,558,491.91-99,477,894.66

Finding the Fourth Proportional to 410,371,511.46, 615,558,491.91 and 99,477,894.66

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Solution

The fourth proportional to 410,371,511.46, 615,558,491.91 and 99,477,894.66 is: 149,217,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,371,511.46 : 615,558,491.91 = 99,477,894.66 : x
  2. Step 2: Convert to fraction form
    410,371,511.46/615,558,491.91 = 99,477,894.66/x
  3. Step 3: Cross multiply
    410,371,511.46x = 615,558,491.91 × 99,477,894.66
  4. Step 4: Simplify right side
    410,371,511.46x = 61,234,462,815,291,440
  5. Step 5: Solve for x
    x = 61,234,462,815,291,440/410,371,511.46
  6. Step 6: Final answer
    x = 149,217,138.87

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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.