Home / 790,928,647.74-1,185,562,482.93-266,115,561.30

Finding the Fourth Proportional to 790,928,647.74, 1,185,562,482.93 and 266,115,561.30

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Solution

The fourth proportional to 790,928,647.74, 1,185,562,482.93 and 266,115,561.30 is: 398,893,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,928,647.74 : 1,185,562,482.93 = 266,115,561.30 : x
  2. Step 2: Convert to fraction form
    790,928,647.74/1,185,562,482.93 = 266,115,561.30/x
  3. Step 3: Cross multiply
    790,928,647.74x = 1,185,562,482.93 × 266,115,561.30
  4. Step 4: Simplify right side
    790,928,647.74x = 315,496,625,601,138,624
  5. Step 5: Solve for x
    x = 315,496,625,601,138,624/790,928,647.74
  6. Step 6: Final answer
    x = 398,893,916.03

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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.