Home / 545,424,651.06-752,688,317.07-307,272,692.87

Finding the Fourth Proportional to 545,424,651.06, 752,688,317.07 and 307,272,692.87

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Solution

The fourth proportional to 545,424,651.06, 752,688,317.07 and 307,272,692.87 is: 424,037,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,424,651.06 : 752,688,317.07 = 307,272,692.87 : x
  2. Step 2: Convert to fraction form
    545,424,651.06/752,688,317.07 = 307,272,692.87/x
  3. Step 3: Cross multiply
    545,424,651.06x = 752,688,317.07 × 307,272,692.87
  4. Step 4: Simplify right side
    545,424,651.06x = 231,280,566,077,887,296
  5. Step 5: Solve for x
    x = 231,280,566,077,887,296/545,424,651.06
  6. Step 6: Final answer
    x = 424,037,611.11

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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.