Home / 1,092,099,071.20-1,638,148,606.80-401,863,500.40

Finding the Fourth Proportional to 1,092,099,071.20, 1,638,148,606.80 and 401,863,500.40

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Solution

The fourth proportional to 1,092,099,071.20, 1,638,148,606.80 and 401,863,500.40 is: 602,795,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,099,071.20 : 1,638,148,606.80 = 401,863,500.40 : x
  2. Step 2: Convert to fraction form
    1,092,099,071.20/1,638,148,606.80 = 401,863,500.40/x
  3. Step 3: Cross multiply
    1,092,099,071.20x = 1,638,148,606.80 × 401,863,500.40
  4. Step 4: Simplify right side
    1,092,099,071.20x = 658,312,133,304,031,232
  5. Step 5: Solve for x
    x = 658,312,133,304,031,232/1,092,099,071.20
  6. Step 6: Final answer
    x = 602,795,250.60

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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.