Home / 403,104,003.60-604,656,005.40-130,670,288.40

Finding the Fourth Proportional to 403,104,003.60, 604,656,005.40 and 130,670,288.40

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Solution

The fourth proportional to 403,104,003.60, 604,656,005.40 and 130,670,288.40 is: 196,005,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,104,003.60 : 604,656,005.40 = 130,670,288.40 : x
  2. Step 2: Convert to fraction form
    403,104,003.60/604,656,005.40 = 130,670,288.40/x
  3. Step 3: Cross multiply
    403,104,003.60x = 604,656,005.40 × 130,670,288.40
  4. Step 4: Simplify right side
    403,104,003.60x = 79,010,574,608,409,952
  5. Step 5: Solve for x
    x = 79,010,574,608,409,952/403,104,003.60
  6. Step 6: Final answer
    x = 196,005,432.60

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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.