Home / 336,105,918.30-504,158,877.45-278,710,290.30

Finding the Fourth Proportional to 336,105,918.30, 504,158,877.45 and 278,710,290.30

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Solution

The fourth proportional to 336,105,918.30, 504,158,877.45 and 278,710,290.30 is: 418,065,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,105,918.30 : 504,158,877.45 = 278,710,290.30 : x
  2. Step 2: Convert to fraction form
    336,105,918.30/504,158,877.45 = 278,710,290.30/x
  3. Step 3: Cross multiply
    336,105,918.30x = 504,158,877.45 × 278,710,290.30
  4. Step 4: Simplify right side
    336,105,918.30x = 140,514,267,091,411,632
  5. Step 5: Solve for x
    x = 140,514,267,091,411,632/336,105,918.30
  6. Step 6: Final answer
    x = 418,065,435.45

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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.