Home / 839,808,688.20-1,259,713,032.30-773,484,851.40

Finding the Fourth Proportional to 839,808,688.20, 1,259,713,032.30 and 773,484,851.40

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Solution

The fourth proportional to 839,808,688.20, 1,259,713,032.30 and 773,484,851.40 is: 1,160,227,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,688.20 : 1,259,713,032.30 = 773,484,851.40 : x
  2. Step 2: Convert to fraction form
    839,808,688.20/1,259,713,032.30 = 773,484,851.40/x
  3. Step 3: Cross multiply
    839,808,688.20x = 1,259,713,032.30 × 773,484,851.40
  4. Step 4: Simplify right side
    839,808,688.20x = 974,368,947,595,208,832
  5. Step 5: Solve for x
    x = 974,368,947,595,208,832/839,808,688.20
  6. Step 6: Final answer
    x = 1,160,227,277.10

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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.