Home / 891,810,050.60-1,337,715,075.90-811,456,171.40

Finding the Fourth Proportional to 891,810,050.60, 1,337,715,075.90 and 811,456,171.40

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Solution

The fourth proportional to 891,810,050.60, 1,337,715,075.90 and 811,456,171.40 is: 1,217,184,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,810,050.60 : 1,337,715,075.90 = 811,456,171.40 : x
  2. Step 2: Convert to fraction form
    891,810,050.60/1,337,715,075.90 = 811,456,171.40/x
  3. Step 3: Cross multiply
    891,810,050.60x = 1,337,715,075.90 × 811,456,171.40
  4. Step 4: Simplify right side
    891,810,050.60x = 1,085,497,153,913,874,432
  5. Step 5: Solve for x
    x = 1,085,497,153,913,874,432/891,810,050.60
  6. Step 6: Final answer
    x = 1,217,184,257.10

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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.