Home / 991,410,118,077.20-1,487,794,470,428.60-346,015,745,011.70

Finding the Fourth Proportional to 991,410,118,077.20, 1,487,794,470,428.60 and 346,015,745,011.70

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Solution

The fourth proportional to 991,410,118,077.20, 1,487,794,470,428.60 and 346,015,745,011.70 is: 519,260,700,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,410,118,077.20 : 1,487,794,470,428.60 = 346,015,745,011.70 : x
  2. Step 2: Convert to fraction form
    991,410,118,077.20/1,487,794,470,428.60 = 346,015,745,011.70/x
  3. Step 3: Cross multiply
    991,410,118,077.20x = 1,487,794,470,428.60 × 346,015,745,011.70
  4. Step 4: Simplify right side
    991,410,118,077.20x = 514,800,312,109,639,716,044,800
  5. Step 5: Solve for x
    x = 514,800,312,109,639,716,044,800/991,410,118,077.20
  6. Step 6: Final answer
    x = 519,260,700,211.61

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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.