Home / 13,109,498,435.96-19,655,792,979.99-5,142,471,674.64

Finding the Fourth Proportional to 13,109,498,435.96, 19,655,792,979.99 and 5,142,471,674.64

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Solution

The fourth proportional to 13,109,498,435.96, 19,655,792,979.99 and 5,142,471,674.64 is: 7,710,390,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109,498,435.96 : 19,655,792,979.99 = 5,142,471,674.64 : x
  2. Step 2: Convert to fraction form
    13,109,498,435.96/19,655,792,979.99 = 5,142,471,674.64/x
  3. Step 3: Cross multiply
    13,109,498,435.96x = 19,655,792,979.99 × 5,142,471,674.64
  4. Step 4: Simplify right side
    13,109,498,435.96x = 101,079,358,642,186,354,688
  5. Step 5: Solve for x
    x = 101,079,358,642,186,354,688/13,109,498,435.96
  6. Step 6: Final answer
    x = 7,710,390,991.38

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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.