Home / 6,313,128,595.71-8,711,762,992.84-3,455,264,988.86

Finding the Fourth Proportional to 6,313,128,595.71, 8,711,762,992.84 and 3,455,264,988.86

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Solution

The fourth proportional to 6,313,128,595.71, 8,711,762,992.84 and 3,455,264,988.86 is: 4,768,071,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313,128,595.71 : 8,711,762,992.84 = 3,455,264,988.86 : x
  2. Step 2: Convert to fraction form
    6,313,128,595.71/8,711,762,992.84 = 3,455,264,988.86/x
  3. Step 3: Cross multiply
    6,313,128,595.71x = 8,711,762,992.84 × 3,455,264,988.86
  4. Step 4: Simplify right side
    6,313,128,595.71x = 30,101,449,660,369,612,800
  5. Step 5: Solve for x
    x = 30,101,449,660,369,612,800/6,313,128,595.71
  6. Step 6: Final answer
    x = 4,768,071,678.57

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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.