Home / 697,936,103,082.45-1,045,438,051,859.80-442,834,176,005.78

Finding the Fourth Proportional to 697,936,103,082.45, 1,045,438,051,859.80 and 442,834,176,005.78

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Solution

The fourth proportional to 697,936,103,082.45, 1,045,438,051,859.80 and 442,834,176,005.78 is: 663,321,034,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,936,103,082.45 : 1,045,438,051,859.80 = 442,834,176,005.78 : x
  2. Step 2: Convert to fraction form
    697,936,103,082.45/1,045,438,051,859.80 = 442,834,176,005.78/x
  3. Step 3: Cross multiply
    697,936,103,082.45x = 1,045,438,051,859.80 × 442,834,176,005.78
  4. Step 4: Simplify right side
    697,936,103,082.45x = 462,955,698,260,422,455,984,128
  5. Step 5: Solve for x
    x = 462,955,698,260,422,455,984,128/697,936,103,082.45
  6. Step 6: Final answer
    x = 663,321,034,999.86

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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.