Home / 326,012,051.60-489,018,077.40-293,763,424.40

Finding the Fourth Proportional to 326,012,051.60, 489,018,077.40 and 293,763,424.40

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Solution

The fourth proportional to 326,012,051.60, 489,018,077.40 and 293,763,424.40 is: 440,645,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,012,051.60 : 489,018,077.40 = 293,763,424.40 : x
  2. Step 2: Convert to fraction form
    326,012,051.60/489,018,077.40 = 293,763,424.40/x
  3. Step 3: Cross multiply
    326,012,051.60x = 489,018,077.40 × 293,763,424.40
  4. Step 4: Simplify right side
    326,012,051.60x = 143,655,625,010,528,224
  5. Step 5: Solve for x
    x = 143,655,625,010,528,224/326,012,051.60
  6. Step 6: Final answer
    x = 440,645,136.60

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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.