Home / 328,938,841.91-493,059,345.23-153,914,412.89

Finding the Fourth Proportional to 328,938,841.91, 493,059,345.23 and 153,914,412.89

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Solution

The fourth proportional to 328,938,841.91, 493,059,345.23 and 153,914,412.89 is: 230,708,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,938,841.91 : 493,059,345.23 = 153,914,412.89 : x
  2. Step 2: Convert to fraction form
    328,938,841.91/493,059,345.23 = 153,914,412.89/x
  3. Step 3: Cross multiply
    328,938,841.91x = 493,059,345.23 × 153,914,412.89
  4. Step 4: Simplify right side
    328,938,841.91x = 75,888,939,637,768,400
  5. Step 5: Solve for x
    x = 75,888,939,637,768,400/328,938,841.91
  6. Step 6: Final answer
    x = 230,708,356.60

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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.