Home / 554,643,916.26-765,399,250.16-307,119,956.10

Finding the Fourth Proportional to 554,643,916.26, 765,399,250.16 and 307,119,956.10

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Solution

The fourth proportional to 554,643,916.26, 765,399,250.16 and 307,119,956.10 is: 423,820,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,643,916.26 : 765,399,250.16 = 307,119,956.10 : x
  2. Step 2: Convert to fraction form
    554,643,916.26/765,399,250.16 = 307,119,956.10/x
  3. Step 3: Cross multiply
    554,643,916.26x = 765,399,250.16 × 307,119,956.10
  4. Step 4: Simplify right side
    554,643,916.26x = 235,069,384,108,112,128
  5. Step 5: Solve for x
    x = 235,069,384,108,112,128/554,643,916.26
  6. Step 6: Final answer
    x = 423,820,359.72

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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.