Home / 448,492,769.95-672,739,154.93-327,560,417.95

Finding the Fourth Proportional to 448,492,769.95, 672,739,154.93 and 327,560,417.95

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Solution

The fourth proportional to 448,492,769.95, 672,739,154.93 and 327,560,417.95 is: 491,340,626.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,492,769.95 : 672,739,154.93 = 327,560,417.95 : x
  2. Step 2: Convert to fraction form
    448,492,769.95/672,739,154.93 = 327,560,417.95/x
  3. Step 3: Cross multiply
    448,492,769.95x = 672,739,154.93 × 327,560,417.95
  4. Step 4: Simplify right side
    448,492,769.95x = 220,362,718,758,562,784
  5. Step 5: Solve for x
    x = 220,362,718,758,562,784/448,492,769.95
  6. Step 6: Final answer
    x = 491,340,626.93

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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.