Home / 783,124,312,592.55-1,080,711,603,347-435,887,139,610.05

Finding the Fourth Proportional to 783,124,312,592.55, 1,080,711,603,347 and 435,887,139,610.05

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Solution

The fourth proportional to 783,124,312,592.55, 1,080,711,603,347 and 435,887,139,610.05 is: 601,524,281,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,124,312,592.55 : 1,080,711,603,347 = 435,887,139,610.05 : x
  2. Step 2: Convert to fraction form
    783,124,312,592.55/1,080,711,603,347 = 435,887,139,610.05/x
  3. Step 3: Cross multiply
    783,124,312,592.55x = 1,080,711,603,347 × 435,887,139,610.05
  4. Step 4: Simplify right side
    783,124,312,592.55x = 471,068,289,526,314,771,152,896
  5. Step 5: Solve for x
    x = 471,068,289,526,314,771,152,896/783,124,312,592.55
  6. Step 6: Final answer
    x = 601,524,281,587.98

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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.