Home / 871,344,230.40-1,307,016,345.60-326,014,905.60

Finding the Fourth Proportional to 871,344,230.40, 1,307,016,345.60 and 326,014,905.60

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Solution

The fourth proportional to 871,344,230.40, 1,307,016,345.60 and 326,014,905.60 is: 489,022,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,344,230.40 : 1,307,016,345.60 = 326,014,905.60 : x
  2. Step 2: Convert to fraction form
    871,344,230.40/1,307,016,345.60 = 326,014,905.60/x
  3. Step 3: Cross multiply
    871,344,230.40x = 1,307,016,345.60 × 326,014,905.60
  4. Step 4: Simplify right side
    871,344,230.40x = 426,106,810,528,440,960
  5. Step 5: Solve for x
    x = 426,106,810,528,440,960/871,344,230.40
  6. Step 6: Final answer
    x = 489,022,358.40

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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.