Home / 253,456,670.40-380,185,005.60-202,438,334.40

Finding the Fourth Proportional to 253,456,670.40, 380,185,005.60 and 202,438,334.40

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Solution

The fourth proportional to 253,456,670.40, 380,185,005.60 and 202,438,334.40 is: 303,657,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,456,670.40 : 380,185,005.60 = 202,438,334.40 : x
  2. Step 2: Convert to fraction form
    253,456,670.40/380,185,005.60 = 202,438,334.40/x
  3. Step 3: Cross multiply
    253,456,670.40x = 380,185,005.60 × 202,438,334.40
  4. Step 4: Simplify right side
    253,456,670.40x = 76,964,019,297,518,672
  5. Step 5: Solve for x
    x = 76,964,019,297,518,672/253,456,670.40
  6. Step 6: Final answer
    x = 303,657,501.60

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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.