Home / 369,207,613.49-509,663,387.99-230,047,130.43

Finding the Fourth Proportional to 369,207,613.49, 509,663,387.99 and 230,047,130.43

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Solution

The fourth proportional to 369,207,613.49, 509,663,387.99 and 230,047,130.43 is: 317,562,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,207,613.49 : 509,663,387.99 = 230,047,130.43 : x
  2. Step 2: Convert to fraction form
    369,207,613.49/509,663,387.99 = 230,047,130.43/x
  3. Step 3: Cross multiply
    369,207,613.49x = 509,663,387.99 × 230,047,130.43
  4. Step 4: Simplify right side
    369,207,613.49x = 117,246,599,892,906,352
  5. Step 5: Solve for x
    x = 117,246,599,892,906,352/369,207,613.49
  6. Step 6: Final answer
    x = 317,562,790.18

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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.