Home / 18,543,423,861.08-27,815,307,968.06-5,278,681,678.32

Finding the Fourth Proportional to 18,543,423,861.08, 27,815,307,968.06 and 5,278,681,678.32

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Solution

The fourth proportional to 18,543,423,861.08, 27,815,307,968.06 and 5,278,681,678.32 is: 7,918,071,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543,423,861.08 : 27,815,307,968.06 = 5,278,681,678.32 : x
  2. Step 2: Convert to fraction form
    18,543,423,861.08/27,815,307,968.06 = 5,278,681,678.32/x
  3. Step 3: Cross multiply
    18,543,423,861.08x = 27,815,307,968.06 × 5,278,681,678.32
  4. Step 4: Simplify right side
    18,543,423,861.08x = 146,828,156,547,826,630,656
  5. Step 5: Solve for x
    x = 146,828,156,547,826,630,656/18,543,423,861.08
  6. Step 6: Final answer
    x = 7,918,071,530.25

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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.