Home / 412,280,863.40-618,421,295.10-248,703,323.60

Finding the Fourth Proportional to 412,280,863.40, 618,421,295.10 and 248,703,323.60

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Solution

The fourth proportional to 412,280,863.40, 618,421,295.10 and 248,703,323.60 is: 373,054,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,280,863.40 : 618,421,295.10 = 248,703,323.60 : x
  2. Step 2: Convert to fraction form
    412,280,863.40/618,421,295.10 = 248,703,323.60/x
  3. Step 3: Cross multiply
    412,280,863.40x = 618,421,295.10 × 248,703,323.60
  4. Step 4: Simplify right side
    412,280,863.40x = 153,803,431,476,386,400
  5. Step 5: Solve for x
    x = 153,803,431,476,386,400/412,280,863.40
  6. Step 6: Final answer
    x = 373,054,985.40

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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.