Home / 18,551,838,421.91-27,827,757,632.87-9,705,258,959.51

Finding the Fourth Proportional to 18,551,838,421.91, 27,827,757,632.87 and 9,705,258,959.51

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Solution

The fourth proportional to 18,551,838,421.91, 27,827,757,632.87 and 9,705,258,959.51 is: 14,557,888,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551,838,421.91 : 27,827,757,632.87 = 9,705,258,959.51 : x
  2. Step 2: Convert to fraction form
    18,551,838,421.91/27,827,757,632.87 = 9,705,258,959.51/x
  3. Step 3: Cross multiply
    18,551,838,421.91x = 27,827,757,632.87 × 9,705,258,959.51
  4. Step 4: Simplify right side
    18,551,838,421.91x = 270,075,594,089,583,083,520
  5. Step 5: Solve for x
    x = 270,075,594,089,583,083,520/18,551,838,421.91
  6. Step 6: Final answer
    x = 14,557,888,439.27

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1.5x scale

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.