Home / 472,645,457.24-651,644,436.94-387,559,085.17

Finding the Fourth Proportional to 472,645,457.24, 651,644,436.94 and 387,559,085.17

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Solution

The fourth proportional to 472,645,457.24, 651,644,436.94 and 387,559,085.17 is: 534,334,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,645,457.24 : 651,644,436.94 = 387,559,085.17 : x
  2. Step 2: Convert to fraction form
    472,645,457.24/651,644,436.94 = 387,559,085.17/x
  3. Step 3: Cross multiply
    472,645,457.24x = 651,644,436.94 × 387,559,085.17
  4. Step 4: Simplify right side
    472,645,457.24x = 252,550,721,836,586,176
  5. Step 5: Solve for x
    x = 252,550,721,836,586,176/472,645,457.24
  6. Step 6: Final answer
    x = 534,334,389.48

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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.