Home / 328,032,007.60-492,048,011.40-133,878,895.60

Finding the Fourth Proportional to 328,032,007.60, 492,048,011.40 and 133,878,895.60

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Solution

The fourth proportional to 328,032,007.60, 492,048,011.40 and 133,878,895.60 is: 200,818,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,032,007.60 : 492,048,011.40 = 133,878,895.60 : x
  2. Step 2: Convert to fraction form
    328,032,007.60/492,048,011.40 = 133,878,895.60/x
  3. Step 3: Cross multiply
    328,032,007.60x = 492,048,011.40 × 133,878,895.60
  4. Step 4: Simplify right side
    328,032,007.60x = 65,874,844,348,408,200
  5. Step 5: Solve for x
    x = 65,874,844,348,408,200/328,032,007.60
  6. Step 6: Final answer
    x = 200,818,343.40

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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.