Home / 580,877,422.40-871,316,133.60-212,411,662.40

Finding the Fourth Proportional to 580,877,422.40, 871,316,133.60 and 212,411,662.40

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Solution

The fourth proportional to 580,877,422.40, 871,316,133.60 and 212,411,662.40 is: 318,617,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,877,422.40 : 871,316,133.60 = 212,411,662.40 : x
  2. Step 2: Convert to fraction form
    580,877,422.40/871,316,133.60 = 212,411,662.40/x
  3. Step 3: Cross multiply
    580,877,422.40x = 871,316,133.60 × 212,411,662.40
  4. Step 4: Simplify right side
    580,877,422.40x = 185,077,708,413,916,512
  5. Step 5: Solve for x
    x = 185,077,708,413,916,512/580,877,422.40
  6. Step 6: Final answer
    x = 318,617,493.60

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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.