Home / 328,665,987.60-492,998,981.40-233,114,499.60

Finding the Fourth Proportional to 328,665,987.60, 492,998,981.40 and 233,114,499.60

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Solution

The fourth proportional to 328,665,987.60, 492,998,981.40 and 233,114,499.60 is: 349,671,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,665,987.60 : 492,998,981.40 = 233,114,499.60 : x
  2. Step 2: Convert to fraction form
    328,665,987.60/492,998,981.40 = 233,114,499.60/x
  3. Step 3: Cross multiply
    328,665,987.60x = 492,998,981.40 × 233,114,499.60
  4. Step 4: Simplify right side
    328,665,987.60x = 114,925,210,852,370,704
  5. Step 5: Solve for x
    x = 114,925,210,852,370,704/328,665,987.60
  6. Step 6: Final answer
    x = 349,671,749.40

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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.