Home / 372,683,686.57-514,280,089.41-205,410,742.80

Finding the Fourth Proportional to 372,683,686.57, 514,280,089.41 and 205,410,742.80

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Solution

The fourth proportional to 372,683,686.57, 514,280,089.41 and 205,410,742.80 is: 283,453,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,683,686.57 : 514,280,089.41 = 205,410,742.80 : x
  2. Step 2: Convert to fraction form
    372,683,686.57/514,280,089.41 = 205,410,742.80/x
  3. Step 3: Cross multiply
    372,683,686.57x = 514,280,089.41 × 205,410,742.80
  4. Step 4: Simplify right side
    372,683,686.57x = 105,638,655,170,259,664
  5. Step 5: Solve for x
    x = 105,638,655,170,259,664/372,683,686.57
  6. Step 6: Final answer
    x = 283,453,928.83

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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.