Home / 338,063,746.80-507,431,543.40-165,735,145.20

Finding the Fourth Proportional to 338,063,746.80, 507,431,543.40 and 165,735,145.20

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Solution

The fourth proportional to 338,063,746.80, 507,431,543.40 and 165,735,145.20 is: 248,767,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,063,746.80 : 507,431,543.40 = 165,735,145.20 : x
  2. Step 2: Convert to fraction form
    338,063,746.80/507,431,543.40 = 165,735,145.20/x
  3. Step 3: Cross multiply
    338,063,746.80x = 507,431,543.40 × 165,735,145.20
  4. Step 4: Simplify right side
    338,063,746.80x = 84,099,240,524,459,088
  5. Step 5: Solve for x
    x = 84,099,240,524,459,088/338,063,746.80
  6. Step 6: Final answer
    x = 248,767,403.55

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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.