Home / 520,886,755.27-718,805,123.67-294,820,885.23

Finding the Fourth Proportional to 520,886,755.27, 718,805,123.67 and 294,820,885.23

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Solution

The fourth proportional to 520,886,755.27, 718,805,123.67 and 294,820,885.23 is: 406,842,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,886,755.27 : 718,805,123.67 = 294,820,885.23 : x
  2. Step 2: Convert to fraction form
    520,886,755.27/718,805,123.67 = 294,820,885.23/x
  3. Step 3: Cross multiply
    520,886,755.27x = 718,805,123.67 × 294,820,885.23
  4. Step 4: Simplify right side
    520,886,755.27x = 211,918,762,868,249,024
  5. Step 5: Solve for x
    x = 211,918,762,868,249,024/520,886,755.27
  6. Step 6: Final answer
    x = 406,842,294.84

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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.