Home / 289,045,249,390.52-398,859,058,892.58-167,117,806,631.88

Finding the Fourth Proportional to 289,045,249,390.52, 398,859,058,892.58 and 167,117,806,631.88

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Solution

The fourth proportional to 289,045,249,390.52, 398,859,058,892.58 and 167,117,806,631.88 is: 230,609,052,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,045,249,390.52 : 398,859,058,892.58 = 167,117,806,631.88 : x
  2. Step 2: Convert to fraction form
    289,045,249,390.52/398,859,058,892.58 = 167,117,806,631.88/x
  3. Step 3: Cross multiply
    289,045,249,390.52x = 398,859,058,892.58 × 167,117,806,631.88
  4. Step 4: Simplify right side
    289,045,249,390.52x = 66,656,451,077,383,823,294,464
  5. Step 5: Solve for x
    x = 66,656,451,077,383,823,294,464/289,045,249,390.52
  6. Step 6: Final answer
    x = 230,609,052,450.91

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1.5x scale

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.