Home / 697,936,103,078.40-1,045,438,051,853.70-442,834,176,001.65

Finding the Fourth Proportional to 697,936,103,078.40, 1,045,438,051,853.70 and 442,834,176,001.65

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Solution

The fourth proportional to 697,936,103,078.40, 1,045,438,051,853.70 and 442,834,176,001.65 is: 663,321,034,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,936,103,078.40 : 1,045,438,051,853.70 = 442,834,176,001.65 : x
  2. Step 2: Convert to fraction form
    697,936,103,078.40/1,045,438,051,853.70 = 442,834,176,001.65/x
  3. Step 3: Cross multiply
    697,936,103,078.40x = 1,045,438,051,853.70 × 442,834,176,001.65
  4. Step 4: Simplify right side
    697,936,103,078.40x = 462,955,698,253,403,472,789,504
  5. Step 5: Solve for x
    x = 462,955,698,253,403,472,789,504/697,936,103,078.40
  6. Step 6: Final answer
    x = 663,321,034,993.66

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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.