Home / 545,116,862,331.45-816,944,395,935.93-424,251,365,683.36

Finding the Fourth Proportional to 545,116,862,331.45, 816,944,395,935.93 and 424,251,365,683.36

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Solution

The fourth proportional to 545,116,862,331.45, 816,944,395,935.93 and 424,251,365,683.36 is: 635,808,208,501.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,116,862,331.45 : 816,944,395,935.93 = 424,251,365,683.36 : x
  2. Step 2: Convert to fraction form
    545,116,862,331.45/816,944,395,935.93 = 424,251,365,683.36/x
  3. Step 3: Cross multiply
    545,116,862,331.45x = 816,944,395,935.93 × 424,251,365,683.36
  4. Step 4: Simplify right side
    545,116,862,331.45x = 346,589,775,663,185,862,328,320
  5. Step 5: Solve for x
    x = 346,589,775,663,185,862,328,320/545,116,862,331.45
  6. Step 6: Final answer
    x = 635,808,208,501.99

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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.