Home / 697,936,103,078.90-1,045,438,051,854.30-442,834,176,002.15

Finding the Fourth Proportional to 697,936,103,078.90, 1,045,438,051,854.30 and 442,834,176,002.15

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Solution

The fourth proportional to 697,936,103,078.90, 1,045,438,051,854.30 and 442,834,176,002.15 is: 663,321,034,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,936,103,078.90 : 1,045,438,051,854.30 = 442,834,176,002.15 : x
  2. Step 2: Convert to fraction form
    697,936,103,078.90/1,045,438,051,854.30 = 442,834,176,002.15/x
  3. Step 3: Cross multiply
    697,936,103,078.90x = 1,045,438,051,854.30 × 442,834,176,002.15
  4. Step 4: Simplify right side
    697,936,103,078.90x = 462,955,698,254,191,934,832,640
  5. Step 5: Solve for x
    x = 462,955,698,254,191,934,832,640/697,936,103,078.90
  6. Step 6: Final answer
    x = 663,321,034,994.31

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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.