Home / 816,507,616.60-1,224,761,424.90-298,954,941.40

Finding the Fourth Proportional to 816,507,616.60, 1,224,761,424.90 and 298,954,941.40

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Solution

The fourth proportional to 816,507,616.60, 1,224,761,424.90 and 298,954,941.40 is: 448,432,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,507,616.60 : 1,224,761,424.90 = 298,954,941.40 : x
  2. Step 2: Convert to fraction form
    816,507,616.60/1,224,761,424.90 = 298,954,941.40/x
  3. Step 3: Cross multiply
    816,507,616.60x = 1,224,761,424.90 × 298,954,941.40
  4. Step 4: Simplify right side
    816,507,616.60x = 366,148,480,009,960,000
  5. Step 5: Solve for x
    x = 366,148,480,009,960,000/816,507,616.60
  6. Step 6: Final answer
    x = 448,432,412.10

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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.