Home / 891,852,431.80-1,337,778,647.70-565,335,081.40

Finding the Fourth Proportional to 891,852,431.80, 1,337,778,647.70 and 565,335,081.40

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Solution

The fourth proportional to 891,852,431.80, 1,337,778,647.70 and 565,335,081.40 is: 848,002,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,852,431.80 : 1,337,778,647.70 = 565,335,081.40 : x
  2. Step 2: Convert to fraction form
    891,852,431.80/1,337,778,647.70 = 565,335,081.40/x
  3. Step 3: Cross multiply
    891,852,431.80x = 1,337,778,647.70 × 565,335,081.40
  4. Step 4: Simplify right side
    891,852,431.80x = 756,293,200,692,661,376
  5. Step 5: Solve for x
    x = 756,293,200,692,661,376/891,852,431.80
  6. Step 6: Final answer
    x = 848,002,622.10

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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.