Home / 783,124,312,592.40-1,080,711,603,346.80-435,887,139,609.94

Finding the Fourth Proportional to 783,124,312,592.40, 1,080,711,603,346.80 and 435,887,139,609.94

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Solution

The fourth proportional to 783,124,312,592.40, 1,080,711,603,346.80 and 435,887,139,609.94 is: 601,524,281,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,124,312,592.40 : 1,080,711,603,346.80 = 435,887,139,609.94 : x
  2. Step 2: Convert to fraction form
    783,124,312,592.40/1,080,711,603,346.80 = 435,887,139,609.94/x
  3. Step 3: Cross multiply
    783,124,312,592.40x = 1,080,711,603,346.80 × 435,887,139,609.94
  4. Step 4: Simplify right side
    783,124,312,592.40x = 471,068,289,526,108,746,940,416
  5. Step 5: Solve for x
    x = 471,068,289,526,108,746,940,416/783,124,312,592.40
  6. Step 6: Final answer
    x = 601,524,281,587.83

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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.