Home / 1,456,249,621.49-2,185,928,895.79-627,612,199.67

Finding the Fourth Proportional to 1,456,249,621.49, 2,185,928,895.79 and 627,612,199.67

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Solution

The fourth proportional to 1,456,249,621.49, 2,185,928,895.79 and 627,612,199.67 is: 942,088,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,249,621.49 : 2,185,928,895.79 = 627,612,199.67 : x
  2. Step 2: Convert to fraction form
    1,456,249,621.49/2,185,928,895.79 = 627,612,199.67/x
  3. Step 3: Cross multiply
    1,456,249,621.49x = 2,185,928,895.79 × 627,612,199.67
  4. Step 4: Simplify right side
    1,456,249,621.49x = 1,371,915,642,608,975,872
  5. Step 5: Solve for x
    x = 1,371,915,642,608,975,872/1,456,249,621.49
  6. Step 6: Final answer
    x = 942,088,239.79

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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.