Home / 448,906,776.45-619,478,926.01-247,960,049.32

Finding the Fourth Proportional to 448,906,776.45, 619,478,926.01 and 247,960,049.32

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Solution

The fourth proportional to 448,906,776.45, 619,478,926.01 and 247,960,049.32 is: 342,178,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,906,776.45 : 619,478,926.01 = 247,960,049.32 : x
  2. Step 2: Convert to fraction form
    448,906,776.45/619,478,926.01 = 247,960,049.32/x
  3. Step 3: Cross multiply
    448,906,776.45x = 619,478,926.01 × 247,960,049.32
  4. Step 4: Simplify right side
    448,906,776.45x = 153,606,025,041,803,040
  5. Step 5: Solve for x
    x = 153,606,025,041,803,040/448,906,776.45
  6. Step 6: Final answer
    x = 342,178,004.66

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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.