Home / 357,345,364.32-493,151,428.42-198,574,894.26

Finding the Fourth Proportional to 357,345,364.32, 493,151,428.42 and 198,574,894.26

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Solution

The fourth proportional to 357,345,364.32, 493,151,428.42 and 198,574,894.26 is: 274,041,592.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,345,364.32 : 493,151,428.42 = 198,574,894.26 : x
  2. Step 2: Convert to fraction form
    357,345,364.32/493,151,428.42 = 198,574,894.26/x
  3. Step 3: Cross multiply
    357,345,364.32x = 493,151,428.42 × 198,574,894.26
  4. Step 4: Simplify right side
    357,345,364.32x = 97,927,492,752,669,456
  5. Step 5: Solve for x
    x = 97,927,492,752,669,456/357,345,364.32
  6. Step 6: Final answer
    x = 274,041,592.62

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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.