Home / 697,936,103,075.40-1,045,438,051,849.20-442,834,175,998.65

Finding the Fourth Proportional to 697,936,103,075.40, 1,045,438,051,849.20 and 442,834,175,998.65

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Solution

The fourth proportional to 697,936,103,075.40, 1,045,438,051,849.20 and 442,834,175,998.65 is: 663,321,034,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,936,103,075.40 : 1,045,438,051,849.20 = 442,834,175,998.65 : x
  2. Step 2: Convert to fraction form
    697,936,103,075.40/1,045,438,051,849.20 = 442,834,175,998.65/x
  3. Step 3: Cross multiply
    697,936,103,075.40x = 1,045,438,051,849.20 × 442,834,175,998.65
  4. Step 4: Simplify right side
    697,936,103,075.40x = 462,955,698,248,274,409,422,848
  5. Step 5: Solve for x
    x = 462,955,698,248,274,409,422,848/697,936,103,075.40
  6. Step 6: Final answer
    x = 663,321,034,989.16

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Double scale
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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.