Home / 545,116,862,329.95-816,944,395,933.68-424,251,365,681.86

Finding the Fourth Proportional to 545,116,862,329.95, 816,944,395,933.68 and 424,251,365,681.86

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Solution

The fourth proportional to 545,116,862,329.95, 816,944,395,933.68 and 424,251,365,681.86 is: 635,808,208,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,116,862,329.95 : 816,944,395,933.68 = 424,251,365,681.86 : x
  2. Step 2: Convert to fraction form
    545,116,862,329.95/816,944,395,933.68 = 424,251,365,681.86/x
  3. Step 3: Cross multiply
    545,116,862,329.95x = 816,944,395,933.68 × 424,251,365,681.86
  4. Step 4: Simplify right side
    545,116,862,329.95x = 346,589,775,661,005,897,990,144
  5. Step 5: Solve for x
    x = 346,589,775,661,005,897,990,144/545,116,862,329.95
  6. Step 6: Final answer
    x = 635,808,208,499.74

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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.