Home / 19,387,113,957.60-29,039,945,859.73-12,300,949,316.58

Finding the Fourth Proportional to 19,387,113,957.60, 29,039,945,859.73 and 12,300,949,316.58

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Solution

The fourth proportional to 19,387,113,957.60, 29,039,945,859.73 and 12,300,949,316.58 is: 18,425,584,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387,113,957.60 : 29,039,945,859.73 = 12,300,949,316.58 : x
  2. Step 2: Convert to fraction form
    19,387,113,957.60/29,039,945,859.73 = 12,300,949,316.58/x
  3. Step 3: Cross multiply
    19,387,113,957.60x = 29,039,945,859.73 × 12,300,949,316.58
  4. Step 4: Simplify right side
    19,387,113,957.60x = 357,218,902,176,765,968,384
  5. Step 5: Solve for x
    x = 357,218,902,176,765,968,384/19,387,113,957.60
  6. Step 6: Final answer
    x = 18,425,584,280.26

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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.