Home / 462,967,808.43-697,223,125.35-421,642,956.27

Finding the Fourth Proportional to 462,967,808.43, 697,223,125.35 and 421,642,956.27

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Solution

The fourth proportional to 462,967,808.43, 697,223,125.35 and 421,642,956.27 is: 634,988,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,967,808.43 : 697,223,125.35 = 421,642,956.27 : x
  2. Step 2: Convert to fraction form
    462,967,808.43/697,223,125.35 = 421,642,956.27/x
  3. Step 3: Cross multiply
    462,967,808.43x = 697,223,125.35 × 421,642,956.27
  4. Step 4: Simplify right side
    462,967,808.43x = 293,979,219,752,382,784
  5. Step 5: Solve for x
    x = 293,979,219,752,382,784/462,967,808.43
  6. Step 6: Final answer
    x = 634,988,468.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.