Home / 783,124,312,593.75-1,080,711,603,348.70-435,887,139,611.30

Finding the Fourth Proportional to 783,124,312,593.75, 1,080,711,603,348.70 and 435,887,139,611.30

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Solution

The fourth proportional to 783,124,312,593.75, 1,080,711,603,348.70 and 435,887,139,611.30 is: 601,524,281,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,124,312,593.75 : 1,080,711,603,348.70 = 435,887,139,611.30 : x
  2. Step 2: Convert to fraction form
    783,124,312,593.75/1,080,711,603,348.70 = 435,887,139,611.30/x
  3. Step 3: Cross multiply
    783,124,312,593.75x = 1,080,711,603,348.70 × 435,887,139,611.30
  4. Step 4: Simplify right side
    783,124,312,593.75x = 471,068,289,528,406,621,552,640
  5. Step 5: Solve for x
    x = 471,068,289,528,406,621,552,640/783,124,312,593.75
  6. Step 6: Final answer
    x = 601,524,281,589.73

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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.