Home / 213,686,913,826.48-320,540,679,563.64-70,262,766,744.64

Finding the Fourth Proportional to 213,686,913,826.48, 320,540,679,563.64 and 70,262,766,744.64

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Solution

The fourth proportional to 213,686,913,826.48, 320,540,679,563.64 and 70,262,766,744.64 is: 105,397,539,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,686,913,826.48 : 320,540,679,563.64 = 70,262,766,744.64 : x
  2. Step 2: Convert to fraction form
    213,686,913,826.48/320,540,679,563.64 = 70,262,766,744.64/x
  3. Step 3: Cross multiply
    213,686,913,826.48x = 320,540,679,563.64 × 70,262,766,744.64
  4. Step 4: Simplify right side
    213,686,913,826.48x = 22,522,075,000,348,432,400,384
  5. Step 5: Solve for x
    x = 22,522,075,000,348,432,400,384/213,686,913,826.48
  6. Step 6: Final answer
    x = 105,397,539,779.33

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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.