Home / 554,133,259.15-831,329,242.49-160,668,315.79

Finding the Fourth Proportional to 554,133,259.15, 831,329,242.49 and 160,668,315.79

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Solution

The fourth proportional to 554,133,259.15, 831,329,242.49 and 160,668,315.79 is: 241,039,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,133,259.15 : 831,329,242.49 = 160,668,315.79 : x
  2. Step 2: Convert to fraction form
    554,133,259.15/831,329,242.49 = 160,668,315.79/x
  3. Step 3: Cross multiply
    554,133,259.15x = 831,329,242.49 × 160,668,315.79
  4. Step 4: Simplify right side
    554,133,259.15x = 133,568,269,257,041,456
  5. Step 5: Solve for x
    x = 133,568,269,257,041,456/554,133,259.15
  6. Step 6: Final answer
    x = 241,039,979.20

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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.