Home / 1,116,246,270.32-1,674,012,322.45-369,123,253.78

Finding the Fourth Proportional to 1,116,246,270.32, 1,674,012,322.45 and 369,123,253.78

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Solution

The fourth proportional to 1,116,246,270.32, 1,674,012,322.45 and 369,123,253.78 is: 553,566,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,246,270.32 : 1,674,012,322.45 = 369,123,253.78 : x
  2. Step 2: Convert to fraction form
    1,116,246,270.32/1,674,012,322.45 = 369,123,253.78/x
  3. Step 3: Cross multiply
    1,116,246,270.32x = 1,674,012,322.45 × 369,123,253.78
  4. Step 4: Simplify right side
    1,116,246,270.32x = 617,916,875,326,853,248
  5. Step 5: Solve for x
    x = 617,916,875,326,853,248/1,116,246,270.32
  6. Step 6: Final answer
    x = 553,566,799.51

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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.