Home / 845,637,255.61-1,167,005,950.71-488,398,395.94

Finding the Fourth Proportional to 845,637,255.61, 1,167,005,950.71 and 488,398,395.94

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Solution

The fourth proportional to 845,637,255.61, 1,167,005,950.71 and 488,398,395.94 is: 674,005,113.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,637,255.61 : 1,167,005,950.71 = 488,398,395.94 : x
  2. Step 2: Convert to fraction form
    845,637,255.61/1,167,005,950.71 = 488,398,395.94/x
  3. Step 3: Cross multiply
    845,637,255.61x = 1,167,005,950.71 × 488,398,395.94
  4. Step 4: Simplify right side
    845,637,255.61x = 569,963,834,379,198,720
  5. Step 5: Solve for x
    x = 569,963,834,379,198,720/845,637,255.61
  6. Step 6: Final answer
    x = 674,005,113.42

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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.