Home / 438,051,510.40-657,077,265.60-265,722,908.80

Finding the Fourth Proportional to 438,051,510.40, 657,077,265.60 and 265,722,908.80

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Solution

The fourth proportional to 438,051,510.40, 657,077,265.60 and 265,722,908.80 is: 398,584,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,051,510.40 : 657,077,265.60 = 265,722,908.80 : x
  2. Step 2: Convert to fraction form
    438,051,510.40/657,077,265.60 = 265,722,908.80/x
  3. Step 3: Cross multiply
    438,051,510.40x = 657,077,265.60 × 265,722,908.80
  4. Step 4: Simplify right side
    438,051,510.40x = 174,600,482,321,582,176
  5. Step 5: Solve for x
    x = 174,600,482,321,582,176/438,051,510.40
  6. Step 6: Final answer
    x = 398,584,363.20

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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.