Home / 265,910,641,455.89-398,890,482,262.83-86,837,566,745.15

Finding the Fourth Proportional to 265,910,641,455.89, 398,890,482,262.83 and 86,837,566,745.15

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Solution

The fourth proportional to 265,910,641,455.89, 398,890,482,262.83 and 86,837,566,745.15 is: 130,264,357,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,910,641,455.89 : 398,890,482,262.83 = 86,837,566,745.15 : x
  2. Step 2: Convert to fraction form
    265,910,641,455.89/398,890,482,262.83 = 86,837,566,745.15/x
  3. Step 3: Cross multiply
    265,910,641,455.89x = 398,890,482,262.83 × 86,837,566,745.15
  4. Step 4: Simplify right side
    265,910,641,455.89x = 34,638,678,877,501,581,688,832
  5. Step 5: Solve for x
    x = 34,638,678,877,501,581,688,832/265,910,641,455.89
  6. Step 6: Final answer
    x = 130,264,357,559.56

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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.