Home / 10,220,429,242.86-15,336,045,179.94-7,251,678,346.74

Finding the Fourth Proportional to 10,220,429,242.86, 15,336,045,179.94 and 7,251,678,346.74

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Solution

The fourth proportional to 10,220,429,242.86, 15,336,045,179.94 and 7,251,678,346.74 is: 10,881,349,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220,429,242.86 : 15,336,045,179.94 = 7,251,678,346.74 : x
  2. Step 2: Convert to fraction form
    10,220,429,242.86/15,336,045,179.94 = 7,251,678,346.74/x
  3. Step 3: Cross multiply
    10,220,429,242.86x = 15,336,045,179.94 × 7,251,678,346.74
  4. Step 4: Simplify right side
    10,220,429,242.86x = 111,212,066,755,997,237,248
  5. Step 5: Solve for x
    x = 111,212,066,755,997,237,248/10,220,429,242.86
  6. Step 6: Final answer
    x = 10,881,349,903.55

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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.