Home / 281,284,345.40-421,926,518.10-265,500,547.70

Finding the Fourth Proportional to 281,284,345.40, 421,926,518.10 and 265,500,547.70

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Solution

The fourth proportional to 281,284,345.40, 421,926,518.10 and 265,500,547.70 is: 398,250,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,284,345.40 : 421,926,518.10 = 265,500,547.70 : x
  2. Step 2: Convert to fraction form
    281,284,345.40/421,926,518.10 = 265,500,547.70/x
  3. Step 3: Cross multiply
    281,284,345.40x = 421,926,518.10 × 265,500,547.70
  4. Step 4: Simplify right side
    281,284,345.40x = 112,021,721,644,703,968
  5. Step 5: Solve for x
    x = 112,021,721,644,703,968/281,284,345.40
  6. Step 6: Final answer
    x = 398,250,821.55

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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.