Home / 10,677,640,503.78-16,019,570,709.65-4,780,820,688.98

Finding the Fourth Proportional to 10,677,640,503.78, 16,019,570,709.65 and 4,780,820,688.98

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Solution

The fourth proportional to 10,677,640,503.78, 16,019,570,709.65 and 4,780,820,688.98 is: 7,172,623,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677,640,503.78 : 16,019,570,709.65 = 4,780,820,688.98 : x
  2. Step 2: Convert to fraction form
    10,677,640,503.78/16,019,570,709.65 = 4,780,820,688.98/x
  3. Step 3: Cross multiply
    10,677,640,503.78x = 16,019,570,709.65 × 4,780,820,688.98
  4. Step 4: Simplify right side
    10,677,640,503.78x = 76,586,695,077,272,731,648
  5. Step 5: Solve for x
    x = 76,586,695,077,272,731,648/10,677,640,503.78
  6. Step 6: Final answer
    x = 7,172,623,488.32

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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.