Home / 1,479,171,405.40-2,218,757,108.10-714,759,501.40

Finding the Fourth Proportional to 1,479,171,405.40, 2,218,757,108.10 and 714,759,501.40

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Solution

The fourth proportional to 1,479,171,405.40, 2,218,757,108.10 and 714,759,501.40 is: 1,072,139,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,171,405.40 : 2,218,757,108.10 = 714,759,501.40 : x
  2. Step 2: Convert to fraction form
    1,479,171,405.40/2,218,757,108.10 = 714,759,501.40/x
  3. Step 3: Cross multiply
    1,479,171,405.40x = 2,218,757,108.10 × 714,759,501.40
  4. Step 4: Simplify right side
    1,479,171,405.40x = 1,585,877,724,313,261,824
  5. Step 5: Solve for x
    x = 1,585,877,724,313,261,824/1,479,171,405.40
  6. Step 6: Final answer
    x = 1,072,139,252.10

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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.