Home / 3,927,539,045.34-5,420,118,788.91-2,143,506,923.82

Finding the Fourth Proportional to 3,927,539,045.34, 5,420,118,788.91 and 2,143,506,923.82

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Solution

The fourth proportional to 3,927,539,045.34, 5,420,118,788.91 and 2,143,506,923.82 is: 2,958,102,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,539,045.34 : 5,420,118,788.91 = 2,143,506,923.82 : x
  2. Step 2: Convert to fraction form
    3,927,539,045.34/5,420,118,788.91 = 2,143,506,923.82/x
  3. Step 3: Cross multiply
    3,927,539,045.34x = 5,420,118,788.91 × 2,143,506,923.82
  4. Step 4: Simplify right side
    3,927,539,045.34x = 11,618,062,151,955,458,048
  5. Step 5: Solve for x
    x = 11,618,062,151,955,458,048/3,927,539,045.34
  6. Step 6: Final answer
    x = 2,958,102,266.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.