Home / 1,527,217,864.96-2,290,408,706.40-421,558,407.52

Finding the Fourth Proportional to 1,527,217,864.96, 2,290,408,706.40 and 421,558,407.52

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Solution

The fourth proportional to 1,527,217,864.96, 2,290,408,706.40 and 421,558,407.52 is: 632,222,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,217,864.96 : 2,290,408,706.40 = 421,558,407.52 : x
  2. Step 2: Convert to fraction form
    1,527,217,864.96/2,290,408,706.40 = 421,558,407.52/x
  3. Step 3: Cross multiply
    1,527,217,864.96x = 2,290,408,706.40 × 421,558,407.52
  4. Step 4: Simplify right side
    1,527,217,864.96x = 965,541,046,839,927,168
  5. Step 5: Solve for x
    x = 965,541,046,839,927,168/1,527,217,864.96
  6. Step 6: Final answer
    x = 632,222,205.48

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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.