Home / 328,032,021.60-492,048,032.40-133,878,909.60

Finding the Fourth Proportional to 328,032,021.60, 492,048,032.40 and 133,878,909.60

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Solution

The fourth proportional to 328,032,021.60, 492,048,032.40 and 133,878,909.60 is: 200,818,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,032,021.60 : 492,048,032.40 = 133,878,909.60 : x
  2. Step 2: Convert to fraction form
    328,032,021.60/492,048,032.40 = 133,878,909.60/x
  3. Step 3: Cross multiply
    328,032,021.60x = 492,048,032.40 × 133,878,909.60
  4. Step 4: Simplify right side
    328,032,021.60x = 65,874,854,048,537,464
  5. Step 5: Solve for x
    x = 65,874,854,048,537,464/328,032,021.60
  6. Step 6: Final answer
    x = 200,818,364.40

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1.5x scale

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.