Home / 843,939,689.70-1,164,621,357.12-467,594,904.78

Finding the Fourth Proportional to 843,939,689.70, 1,164,621,357.12 and 467,594,904.78

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Solution

The fourth proportional to 843,939,689.70, 1,164,621,357.12 and 467,594,904.78 is: 645,272,427.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,939,689.70 : 1,164,621,357.12 = 467,594,904.78 : x
  2. Step 2: Convert to fraction form
    843,939,689.70/1,164,621,357.12 = 467,594,904.78/x
  3. Step 3: Cross multiply
    843,939,689.70x = 1,164,621,357.12 × 467,594,904.78
  4. Step 4: Simplify right side
    843,939,689.70x = 544,571,012,587,280,704
  5. Step 5: Solve for x
    x = 544,571,012,587,280,704/843,939,689.70
  6. Step 6: Final answer
    x = 645,272,427.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.