Home / 369,207,616.49-509,663,392.13-230,047,133.43

Finding the Fourth Proportional to 369,207,616.49, 509,663,392.13 and 230,047,133.43

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Solution

The fourth proportional to 369,207,616.49, 509,663,392.13 and 230,047,133.43 is: 317,562,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,207,616.49 : 509,663,392.13 = 230,047,133.43 : x
  2. Step 2: Convert to fraction form
    369,207,616.49/509,663,392.13 = 230,047,133.43/x
  3. Step 3: Cross multiply
    369,207,616.49x = 509,663,392.13 × 230,047,133.43
  4. Step 4: Simplify right side
    369,207,616.49x = 117,246,602,373,716,528
  5. Step 5: Solve for x
    x = 117,246,602,373,716,528/369,207,616.49
  6. Step 6: Final answer
    x = 317,562,794.31

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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.