Home / 326,602,869.60-489,904,304.40-245,981,301.60

Finding the Fourth Proportional to 326,602,869.60, 489,904,304.40 and 245,981,301.60

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Solution

The fourth proportional to 326,602,869.60, 489,904,304.40 and 245,981,301.60 is: 368,971,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,602,869.60 : 489,904,304.40 = 245,981,301.60 : x
  2. Step 2: Convert to fraction form
    326,602,869.60/489,904,304.40 = 245,981,301.60/x
  3. Step 3: Cross multiply
    326,602,869.60x = 489,904,304.40 × 245,981,301.60
  4. Step 4: Simplify right side
    326,602,869.60x = 120,507,298,455,754,592
  5. Step 5: Solve for x
    x = 120,507,298,455,754,592/326,602,869.60
  6. Step 6: Final answer
    x = 368,971,952.40

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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.