Home / 1,116,246,272.32-1,674,012,325.45-369,123,255.78

Finding the Fourth Proportional to 1,116,246,272.32, 1,674,012,325.45 and 369,123,255.78

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Solution

The fourth proportional to 1,116,246,272.32, 1,674,012,325.45 and 369,123,255.78 is: 553,566,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,246,272.32 : 1,674,012,325.45 = 369,123,255.78 : x
  2. Step 2: Convert to fraction form
    1,116,246,272.32/1,674,012,325.45 = 369,123,255.78/x
  3. Step 3: Cross multiply
    1,116,246,272.32x = 1,674,012,325.45 × 369,123,255.78
  4. Step 4: Simplify right side
    1,116,246,272.32x = 617,916,879,785,952,896
  5. Step 5: Solve for x
    x = 617,916,879,785,952,896/1,116,246,272.32
  6. Step 6: Final answer
    x = 553,566,802.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.