Home / 269,480,543.40-403,464,987.90-261,922,271.40

Finding the Fourth Proportional to 269,480,543.40, 403,464,987.90 and 261,922,271.40

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Solution

The fourth proportional to 269,480,543.40, 403,464,987.90 and 261,922,271.40 is: 392,148,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,480,543.40 : 403,464,987.90 = 261,922,271.40 : x
  2. Step 2: Convert to fraction form
    269,480,543.40/403,464,987.90 = 261,922,271.40/x
  3. Step 3: Cross multiply
    269,480,543.40x = 403,464,987.90 × 261,922,271.40
  4. Step 4: Simplify right side
    269,480,543.40x = 105,676,466,061,141,520
  5. Step 5: Solve for x
    x = 105,676,466,061,141,520/269,480,543.40
  6. Step 6: Final answer
    x = 392,148,779.01

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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.