Home / 314,928,378.45-472,392,567.68-284,695,290.45

Finding the Fourth Proportional to 314,928,378.45, 472,392,567.68 and 284,695,290.45

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Solution

The fourth proportional to 314,928,378.45, 472,392,567.68 and 284,695,290.45 is: 427,042,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,378.45 : 472,392,567.68 = 284,695,290.45 : x
  2. Step 2: Convert to fraction form
    314,928,378.45/472,392,567.68 = 284,695,290.45/x
  3. Step 3: Cross multiply
    314,928,378.45x = 472,392,567.68 × 284,695,290.45
  4. Step 4: Simplify right side
    314,928,378.45x = 134,487,939,260,655,408
  5. Step 5: Solve for x
    x = 134,487,939,260,655,408/314,928,378.45
  6. Step 6: Final answer
    x = 427,042,935.68

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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.