Home / 991,410,118,077.85-1,487,794,470,429.70-346,015,745,012.45

Finding the Fourth Proportional to 991,410,118,077.85, 1,487,794,470,429.70 and 346,015,745,012.45

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Solution

The fourth proportional to 991,410,118,077.85, 1,487,794,470,429.70 and 346,015,745,012.45 is: 519,260,700,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,410,118,077.85 : 1,487,794,470,429.70 = 346,015,745,012.45 : x
  2. Step 2: Convert to fraction form
    991,410,118,077.85/1,487,794,470,429.70 = 346,015,745,012.45/x
  3. Step 3: Cross multiply
    991,410,118,077.85x = 1,487,794,470,429.70 × 346,015,745,012.45
  4. Step 4: Simplify right side
    991,410,118,077.85x = 514,800,312,111,136,176,603,136
  5. Step 5: Solve for x
    x = 514,800,312,111,136,176,603,136/991,410,118,077.85
  6. Step 6: Final answer
    x = 519,260,700,212.78

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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.