Home / 9,349,997,631-12,903,402,326.94-5,177,831,487

Finding the Fourth Proportional to 9,349,997,631, 12,903,402,326.94 and 5,177,831,487

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Solution

The fourth proportional to 9,349,997,631, 12,903,402,326.94 and 5,177,831,487 is: 7,145,632,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349,997,631 : 12,903,402,326.94 = 5,177,831,487 : x
  2. Step 2: Convert to fraction form
    9,349,997,631/12,903,402,326.94 = 5,177,831,487/x
  3. Step 3: Cross multiply
    9,349,997,631x = 12,903,402,326.94 × 5,177,831,487
  4. Step 4: Simplify right side
    9,349,997,631x = 66,811,642,857,859,006,464
  5. Step 5: Solve for x
    x = 66,811,642,857,859,006,464/9,349,997,631
  6. Step 6: Final answer
    x = 7,145,632,062.66

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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.