Home / 7,513,671,978.48-10,369,823,921.64-4,543,469,487.12

Finding the Fourth Proportional to 7,513,671,978.48, 10,369,823,921.64 and 4,543,469,487.12

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Solution

The fourth proportional to 7,513,671,978.48, 10,369,823,921.64 and 4,543,469,487.12 is: 6,270,566,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513,671,978.48 : 10,369,823,921.64 = 4,543,469,487.12 : x
  2. Step 2: Convert to fraction form
    7,513,671,978.48/10,369,823,921.64 = 4,543,469,487.12/x
  3. Step 3: Cross multiply
    7,513,671,978.48x = 10,369,823,921.64 × 4,543,469,487.12
  4. Step 4: Simplify right side
    7,513,671,978.48x = 47,114,978,574,778,392,576
  5. Step 5: Solve for x
    x = 47,114,978,574,778,392,576/7,513,671,978.48
  6. Step 6: Final answer
    x = 6,270,566,336.90

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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.