Home / 739,805,271.45-1,020,682,558.47-426,532,655.49

Finding the Fourth Proportional to 739,805,271.45, 1,020,682,558.47 and 426,532,655.49

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Solution

The fourth proportional to 739,805,271.45, 1,020,682,558.47 and 426,532,655.49 is: 588,471,667.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,805,271.45 : 1,020,682,558.47 = 426,532,655.49 : x
  2. Step 2: Convert to fraction form
    739,805,271.45/1,020,682,558.47 = 426,532,655.49/x
  3. Step 3: Cross multiply
    739,805,271.45x = 1,020,682,558.47 × 426,532,655.49
  4. Step 4: Simplify right side
    739,805,271.45x = 435,354,442,076,536,320
  5. Step 5: Solve for x
    x = 435,354,442,076,536,320/739,805,271.45
  6. Step 6: Final answer
    x = 588,471,667.99

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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.