Home / 7,889,501,465.70-10,887,517,892.44-4,272,553,280.94

Finding the Fourth Proportional to 7,889,501,465.70, 10,887,517,892.44 and 4,272,553,280.94

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Solution

The fourth proportional to 7,889,501,465.70, 10,887,517,892.44 and 4,272,553,280.94 is: 5,896,126,706.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,501,465.70 : 10,887,517,892.44 = 4,272,553,280.94 : x
  2. Step 2: Convert to fraction form
    7,889,501,465.70/10,887,517,892.44 = 4,272,553,280.94/x
  3. Step 3: Cross multiply
    7,889,501,465.70x = 10,887,517,892.44 × 4,272,553,280.94
  4. Step 4: Simplify right side
    7,889,501,465.70x = 46,517,500,292,637,483,008
  5. Step 5: Solve for x
    x = 46,517,500,292,637,483,008/7,889,501,465.70
  6. Step 6: Final answer
    x = 5,896,126,706.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.