Home / 583,870,885.03-805,743,956.78-315,946,719.91

Finding the Fourth Proportional to 583,870,885.03, 805,743,956.78 and 315,946,719.91

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Solution

The fourth proportional to 583,870,885.03, 805,743,956.78 and 315,946,719.91 is: 436,007,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,870,885.03 : 805,743,956.78 = 315,946,719.91 : x
  2. Step 2: Convert to fraction form
    583,870,885.03/805,743,956.78 = 315,946,719.91/x
  3. Step 3: Cross multiply
    583,870,885.03x = 805,743,956.78 × 315,946,719.91
  4. Step 4: Simplify right side
    583,870,885.03x = 254,572,160,231,945,824
  5. Step 5: Solve for x
    x = 254,572,160,231,945,824/583,870,885.03
  6. Step 6: Final answer
    x = 436,007,629.01

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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.