Home / 28,054,384,913.93-38,715,038,948.09-15,194,025,463.37

Finding the Fourth Proportional to 28,054,384,913.93, 38,715,038,948.09 and 15,194,025,463.37

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Solution

The fourth proportional to 28,054,384,913.93, 38,715,038,948.09 and 15,194,025,463.37 is: 20,967,748,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054,384,913.93 : 38,715,038,948.09 = 15,194,025,463.37 : x
  2. Step 2: Convert to fraction form
    28,054,384,913.93/38,715,038,948.09 = 15,194,025,463.37/x
  3. Step 3: Cross multiply
    28,054,384,913.93x = 38,715,038,948.09 × 15,194,025,463.37
  4. Step 4: Simplify right side
    28,054,384,913.93x = 588,237,287,592,564,817,920
  5. Step 5: Solve for x
    x = 588,237,287,592,564,817,920/28,054,384,913.93
  6. Step 6: Final answer
    x = 20,967,748,514.08

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.