Home / 697,936,103,078.75-1,045,438,051,854.20-442,834,176,002.05

Finding the Fourth Proportional to 697,936,103,078.75, 1,045,438,051,854.20 and 442,834,176,002.05

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Solution

The fourth proportional to 697,936,103,078.75, 1,045,438,051,854.20 and 442,834,176,002.05 is: 663,321,034,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,936,103,078.75 : 1,045,438,051,854.20 = 442,834,176,002.05 : x
  2. Step 2: Convert to fraction form
    697,936,103,078.75/1,045,438,051,854.20 = 442,834,176,002.05/x
  3. Step 3: Cross multiply
    697,936,103,078.75x = 1,045,438,051,854.20 × 442,834,176,002.05
  4. Step 4: Simplify right side
    697,936,103,078.75x = 462,955,698,254,043,020,263,424
  5. Step 5: Solve for x
    x = 462,955,698,254,043,020,263,424/697,936,103,078.75
  6. Step 6: Final answer
    x = 663,321,034,994.24

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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.