Home / 228,427,780,672.10-342,641,671,008.15-212,948,439,616.10

Finding the Fourth Proportional to 228,427,780,672.10, 342,641,671,008.15 and 212,948,439,616.10

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Solution

The fourth proportional to 228,427,780,672.10, 342,641,671,008.15 and 212,948,439,616.10 is: 319,422,659,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,427,780,672.10 : 342,641,671,008.15 = 212,948,439,616.10 : x
  2. Step 2: Convert to fraction form
    228,427,780,672.10/342,641,671,008.15 = 212,948,439,616.10/x
  3. Step 3: Cross multiply
    228,427,780,672.10x = 342,641,671,008.15 × 212,948,439,616.10
  4. Step 4: Simplify right side
    228,427,780,672.10x = 72,965,009,188,638,638,997,504
  5. Step 5: Solve for x
    x = 72,965,009,188,638,638,997,504/228,427,780,672.10
  6. Step 6: Final answer
    x = 319,422,659,424.15

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1.5x scale

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.