Home / 28,290,072,888.40-42,435,109,374.08-11,497,949,925.04

Finding the Fourth Proportional to 28,290,072,888.40, 42,435,109,374.08 and 11,497,949,925.04

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Solution

The fourth proportional to 28,290,072,888.40, 42,435,109,374.08 and 11,497,949,925.04 is: 17,246,924,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290,072,888.40 : 42,435,109,374.08 = 11,497,949,925.04 : x
  2. Step 2: Convert to fraction form
    28,290,072,888.40/42,435,109,374.08 = 11,497,949,925.04/x
  3. Step 3: Cross multiply
    28,290,072,888.40x = 42,435,109,374.08 × 11,497,949,925.04
  4. Step 4: Simplify right side
    28,290,072,888.40x = 487,916,762,646,767,403,008
  5. Step 5: Solve for x
    x = 487,916,762,646,767,403,008/28,290,072,888.40
  6. Step 6: Final answer
    x = 17,246,924,904.42

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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.