Home / 871,344,063.40-1,307,016,095.10-326,014,738.60

Finding the Fourth Proportional to 871,344,063.40, 1,307,016,095.10 and 326,014,738.60

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Solution

The fourth proportional to 871,344,063.40, 1,307,016,095.10 and 326,014,738.60 is: 489,022,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,344,063.40 : 1,307,016,095.10 = 326,014,738.60 : x
  2. Step 2: Convert to fraction form
    871,344,063.40/1,307,016,095.10 = 326,014,738.60/x
  3. Step 3: Cross multiply
    871,344,063.40x = 1,307,016,095.10 × 326,014,738.60
  4. Step 4: Simplify right side
    871,344,063.40x = 426,106,510,590,019,264
  5. Step 5: Solve for x
    x = 426,106,510,590,019,264/871,344,063.40
  6. Step 6: Final answer
    x = 489,022,107.90

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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.