Home / 29,462,402,878.96-40,658,132,283.23-15,914,039,968.12

Finding the Fourth Proportional to 29,462,402,878.96, 40,658,132,283.23 and 15,914,039,968.12

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Solution

The fourth proportional to 29,462,402,878.96, 40,658,132,283.23 and 15,914,039,968.12 is: 21,961,383,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,462,402,878.96 : 40,658,132,283.23 = 15,914,039,968.12 : x
  2. Step 2: Convert to fraction form
    29,462,402,878.96/40,658,132,283.23 = 15,914,039,968.12/x
  3. Step 3: Cross multiply
    29,462,402,878.96x = 40,658,132,283.23 × 15,914,039,968.12
  4. Step 4: Simplify right side
    29,462,402,878.96x = 647,035,142,184,432,435,200
  5. Step 5: Solve for x
    x = 647,035,142,184,432,435,200/29,462,402,878.96
  6. Step 6: Final answer
    x = 21,961,383,965.95

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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.