Home / 839,808,729.80-1,259,713,094.70-477,011,673.80

Finding the Fourth Proportional to 839,808,729.80, 1,259,713,094.70 and 477,011,673.80

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Solution

The fourth proportional to 839,808,729.80, 1,259,713,094.70 and 477,011,673.80 is: 715,517,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,729.80 : 1,259,713,094.70 = 477,011,673.80 : x
  2. Step 2: Convert to fraction form
    839,808,729.80/1,259,713,094.70 = 477,011,673.80/x
  3. Step 3: Cross multiply
    839,808,729.80x = 1,259,713,094.70 × 477,011,673.80
  4. Step 4: Simplify right side
    839,808,729.80x = 600,897,851,810,624,896
  5. Step 5: Solve for x
    x = 600,897,851,810,624,896/839,808,729.80
  6. Step 6: Final answer
    x = 715,517,510.70

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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.