Home / 307,530,007,720.18-424,391,263,044.80-183,931,144,894.54

Finding the Fourth Proportional to 307,530,007,720.18, 424,391,263,044.80 and 183,931,144,894.54

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Solution

The fourth proportional to 307,530,007,720.18, 424,391,263,044.80 and 183,931,144,894.54 is: 253,824,891,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,530,007,720.18 : 424,391,263,044.80 = 183,931,144,894.54 : x
  2. Step 2: Convert to fraction form
    307,530,007,720.18/424,391,263,044.80 = 183,931,144,894.54/x
  3. Step 3: Cross multiply
    307,530,007,720.18x = 424,391,263,044.80 × 183,931,144,894.54
  4. Step 4: Simplify right side
    307,530,007,720.18x = 78,058,770,895,069,952,081,920
  5. Step 5: Solve for x
    x = 78,058,770,895,069,952,081,920/307,530,007,720.18
  6. Step 6: Final answer
    x = 253,824,891,670.72

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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.