Home / 886,214,953.67-1,222,980,379.76-484,336,907.51

Finding the Fourth Proportional to 886,214,953.67, 1,222,980,379.76 and 484,336,907.51

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Solution

The fourth proportional to 886,214,953.67, 1,222,980,379.76 and 484,336,907.51 is: 668,386,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,214,953.67 : 1,222,980,379.76 = 484,336,907.51 : x
  2. Step 2: Convert to fraction form
    886,214,953.67/1,222,980,379.76 = 484,336,907.51/x
  3. Step 3: Cross multiply
    886,214,953.67x = 1,222,980,379.76 × 484,336,907.51
  4. Step 4: Simplify right side
    886,214,953.67x = 592,334,535,075,942,144
  5. Step 5: Solve for x
    x = 592,334,535,075,942,144/886,214,953.67
  6. Step 6: Final answer
    x = 668,386,978.38

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1.5x scale

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.