Home / 738,415,255.89-1,019,326,815.81-460,094,289.78

Finding the Fourth Proportional to 738,415,255.89, 1,019,326,815.81 and 460,094,289.78

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Solution

The fourth proportional to 738,415,255.89, 1,019,326,815.81 and 460,094,289.78 is: 635,125,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,415,255.89 : 1,019,326,815.81 = 460,094,289.78 : x
  2. Step 2: Convert to fraction form
    738,415,255.89/1,019,326,815.81 = 460,094,289.78/x
  3. Step 3: Cross multiply
    738,415,255.89x = 1,019,326,815.81 × 460,094,289.78
  4. Step 4: Simplify right side
    738,415,255.89x = 468,986,447,373,810,752
  5. Step 5: Solve for x
    x = 468,986,447,373,810,752/738,415,255.89
  6. Step 6: Final answer
    x = 635,125,620.22

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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.