Home / 697,936,103,083.15-1,045,438,051,860.80-442,834,176,006.40

Finding the Fourth Proportional to 697,936,103,083.15, 1,045,438,051,860.80 and 442,834,176,006.40

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Solution

The fourth proportional to 697,936,103,083.15, 1,045,438,051,860.80 and 442,834,176,006.40 is: 663,321,035,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,936,103,083.15 : 1,045,438,051,860.80 = 442,834,176,006.40 : x
  2. Step 2: Convert to fraction form
    697,936,103,083.15/1,045,438,051,860.80 = 442,834,176,006.40/x
  3. Step 3: Cross multiply
    697,936,103,083.15x = 1,045,438,051,860.80 × 442,834,176,006.40
  4. Step 4: Simplify right side
    697,936,103,083.15x = 462,955,698,261,513,511,895,040
  5. Step 5: Solve for x
    x = 462,955,698,261,513,511,895,040/697,936,103,083.15
  6. Step 6: Final answer
    x = 663,321,035,000.76

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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.