Home / 7,817,910,934.21-10,788,724,041.12-4,249,617,840.25

Finding the Fourth Proportional to 7,817,910,934.21, 10,788,724,041.12 and 4,249,617,840.25

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Solution

The fourth proportional to 7,817,910,934.21, 10,788,724,041.12 and 4,249,617,840.25 is: 5,864,476,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817,910,934.21 : 10,788,724,041.12 = 4,249,617,840.25 : x
  2. Step 2: Convert to fraction form
    7,817,910,934.21/10,788,724,041.12 = 4,249,617,840.25/x
  3. Step 3: Cross multiply
    7,817,910,934.21x = 10,788,724,041.12 × 4,249,617,840.25
  4. Step 4: Simplify right side
    7,817,910,934.21x = 45,847,954,158,650,654,720
  5. Step 5: Solve for x
    x = 45,847,954,158,650,654,720/7,817,910,934.21
  6. Step 6: Final answer
    x = 5,864,476,398.43

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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.