Home / 843,939,680.70-1,164,621,344.69-467,594,895.74

Finding the Fourth Proportional to 843,939,680.70, 1,164,621,344.69 and 467,594,895.74

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Solution

The fourth proportional to 843,939,680.70, 1,164,621,344.69 and 467,594,895.74 is: 645,272,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,939,680.70 : 1,164,621,344.69 = 467,594,895.74 : x
  2. Step 2: Convert to fraction form
    843,939,680.70/1,164,621,344.69 = 467,594,895.74/x
  3. Step 3: Cross multiply
    843,939,680.70x = 1,164,621,344.69 × 467,594,895.74
  4. Step 4: Simplify right side
    843,939,680.70x = 544,570,996,248,790,272
  5. Step 5: Solve for x
    x = 544,570,996,248,790,272/843,939,680.70
  6. Step 6: Final answer
    x = 645,272,415.43

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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.