Home / 912,200,921.72-1,368,163,130.36-248,266,679.02

Finding the Fourth Proportional to 912,200,921.72, 1,368,163,130.36 and 248,266,679.02

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Solution

The fourth proportional to 912,200,921.72, 1,368,163,130.36 and 248,266,679.02 is: 372,362,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,200,921.72 : 1,368,163,130.36 = 248,266,679.02 : x
  2. Step 2: Convert to fraction form
    912,200,921.72/1,368,163,130.36 = 248,266,679.02/x
  3. Step 3: Cross multiply
    912,200,921.72x = 1,368,163,130.36 × 248,266,679.02
  4. Step 4: Simplify right side
    912,200,921.72x = 339,669,316,730,843,200
  5. Step 5: Solve for x
    x = 339,669,316,730,843,200/912,200,921.72
  6. Step 6: Final answer
    x = 372,362,391.49

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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.