Home / 783,124,312,593.90-1,080,711,603,348.90-435,887,139,611.43

Finding the Fourth Proportional to 783,124,312,593.90, 1,080,711,603,348.90 and 435,887,139,611.43

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Solution

The fourth proportional to 783,124,312,593.90, 1,080,711,603,348.90 and 435,887,139,611.43 is: 601,524,281,589.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,124,312,593.90 : 1,080,711,603,348.90 = 435,887,139,611.43 : x
  2. Step 2: Convert to fraction form
    783,124,312,593.90/1,080,711,603,348.90 = 435,887,139,611.43/x
  3. Step 3: Cross multiply
    783,124,312,593.90x = 1,080,711,603,348.90 × 435,887,139,611.43
  4. Step 4: Simplify right side
    783,124,312,593.90x = 471,068,289,528,634,321,928,192
  5. Step 5: Solve for x
    x = 471,068,289,528,634,321,928,192/783,124,312,593.90
  6. Step 6: Final answer
    x = 601,524,281,589.91

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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.