Home / 2,628,331,323.90-3,942,496,985.85-689,830,511.10

Finding the Fourth Proportional to 2,628,331,323.90, 3,942,496,985.85 and 689,830,511.10

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Solution

The fourth proportional to 2,628,331,323.90, 3,942,496,985.85 and 689,830,511.10 is: 1,034,745,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,331,323.90 : 3,942,496,985.85 = 689,830,511.10 : x
  2. Step 2: Convert to fraction form
    2,628,331,323.90/3,942,496,985.85 = 689,830,511.10/x
  3. Step 3: Cross multiply
    2,628,331,323.90x = 3,942,496,985.85 × 689,830,511.10
  4. Step 4: Simplify right side
    2,628,331,323.90x = 2,719,654,710,759,114,752
  5. Step 5: Solve for x
    x = 2,719,654,710,759,114,752/2,628,331,323.90
  6. Step 6: Final answer
    x = 1,034,745,766.65

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Double scale
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1.5x scale

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.