Home / 1,473,036,121.80-2,209,873,047.30-438,001,630.20

Finding the Fourth Proportional to 1,473,036,121.80, 2,209,873,047.30 and 438,001,630.20

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Solution

The fourth proportional to 1,473,036,121.80, 2,209,873,047.30 and 438,001,630.20 is: 657,097,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,036,121.80 : 2,209,873,047.30 = 438,001,630.20 : x
  2. Step 2: Convert to fraction form
    1,473,036,121.80/2,209,873,047.30 = 438,001,630.20/x
  3. Step 3: Cross multiply
    1,473,036,121.80x = 2,209,873,047.30 × 438,001,630.20
  4. Step 4: Simplify right side
    1,473,036,121.80x = 967,927,997,252,441,728
  5. Step 5: Solve for x
    x = 967,927,997,252,441,728/1,473,036,121.80
  6. Step 6: Final answer
    x = 657,097,258.46

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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.