Home / 280,297,803.40-384,001,575.88-269,818,070.92

Finding the Fourth Proportional to 280,297,803.40, 384,001,575.88 and 269,818,070.92

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Solution

The fourth proportional to 280,297,803.40, 384,001,575.88 and 269,818,070.92 is: 369,644,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,297,803.40 : 384,001,575.88 = 269,818,070.92 : x
  2. Step 2: Convert to fraction form
    280,297,803.40/384,001,575.88 = 269,818,070.92/x
  3. Step 3: Cross multiply
    280,297,803.40x = 384,001,575.88 × 269,818,070.92
  4. Step 4: Simplify right side
    280,297,803.40x = 103,610,564,434,181,600
  5. Step 5: Solve for x
    x = 103,610,564,434,181,600/280,297,803.40
  6. Step 6: Final answer
    x = 369,644,582.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.