Home / 447,864,732.90-617,764,811.58-297,154,126.80

Finding the Fourth Proportional to 447,864,732.90, 617,764,811.58 and 297,154,126.80

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Solution

The fourth proportional to 447,864,732.90, 617,764,811.58 and 297,154,126.80 is: 409,881,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,864,732.90 : 617,764,811.58 = 297,154,126.80 : x
  2. Step 2: Convert to fraction form
    447,864,732.90/617,764,811.58 = 297,154,126.80/x
  3. Step 3: Cross multiply
    447,864,732.90x = 617,764,811.58 × 297,154,126.80
  4. Step 4: Simplify right side
    447,864,732.90x = 183,571,363,152,821,440
  5. Step 5: Solve for x
    x = 183,571,363,152,821,440/447,864,732.90
  6. Step 6: Final answer
    x = 409,881,264.74

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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.