Home / 28,365,877,719.40-42,548,816,582.03-9,479,165,389.65

Finding the Fourth Proportional to 28,365,877,719.40, 42,548,816,582.03 and 9,479,165,389.65

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Solution

The fourth proportional to 28,365,877,719.40, 42,548,816,582.03 and 9,479,165,389.65 is: 14,218,748,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365,877,719.40 : 42,548,816,582.03 = 9,479,165,389.65 : x
  2. Step 2: Convert to fraction form
    28,365,877,719.40/42,548,816,582.03 = 9,479,165,389.65/x
  3. Step 3: Cross multiply
    28,365,877,719.40x = 42,548,816,582.03 × 9,479,165,389.65
  4. Step 4: Simplify right side
    28,365,877,719.40x = 403,327,269,514,900,340,736
  5. Step 5: Solve for x
    x = 403,327,269,514,900,340,736/28,365,877,719.40
  6. Step 6: Final answer
    x = 14,218,748,085.45

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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.