Home / 790,928,585.03-1,185,562,389.51-266,115,498.58

Finding the Fourth Proportional to 790,928,585.03, 1,185,562,389.51 and 266,115,498.58

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Solution

The fourth proportional to 790,928,585.03, 1,185,562,389.51 and 266,115,498.58 is: 398,893,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,928,585.03 : 1,185,562,389.51 = 266,115,498.58 : x
  2. Step 2: Convert to fraction form
    790,928,585.03/1,185,562,389.51 = 266,115,498.58/x
  3. Step 3: Cross multiply
    790,928,585.03x = 1,185,562,389.51 × 266,115,498.58
  4. Step 4: Simplify right side
    790,928,585.03x = 315,496,526,376,945,216
  5. Step 5: Solve for x
    x = 315,496,526,376,945,216/790,928,585.03
  6. Step 6: Final answer
    x = 398,893,822.21

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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.