Home / 5,378,549,678.30-8,057,019,800.82-2,678,234,807.76

Finding the Fourth Proportional to 5,378,549,678.30, 8,057,019,800.82 and 2,678,234,807.76

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Solution

The fourth proportional to 5,378,549,678.30, 8,057,019,800.82 and 2,678,234,807.76 is: 4,011,972,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,549,678.30 : 8,057,019,800.82 = 2,678,234,807.76 : x
  2. Step 2: Convert to fraction form
    5,378,549,678.30/8,057,019,800.82 = 2,678,234,807.76/x
  3. Step 3: Cross multiply
    5,378,549,678.30x = 8,057,019,800.82 × 2,678,234,807.76
  4. Step 4: Simplify right side
    5,378,549,678.30x = 21,578,590,877,367,668,736
  5. Step 5: Solve for x
    x = 21,578,590,877,367,668,736/5,378,549,678.30
  6. Step 6: Final answer
    x = 4,011,972,031.13

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1.5x scale

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.