Home / 219,612,170,027.65-303,048,162,495.78-123,249,645,757.39

Finding the Fourth Proportional to 219,612,170,027.65, 303,048,162,495.78 and 123,249,645,757.39

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Solution

The fourth proportional to 219,612,170,027.65, 303,048,162,495.78 and 123,249,645,757.39 is: 170,075,176,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,612,170,027.65 : 303,048,162,495.78 = 123,249,645,757.39 : x
  2. Step 2: Convert to fraction form
    219,612,170,027.65/303,048,162,495.78 = 123,249,645,757.39/x
  3. Step 3: Cross multiply
    219,612,170,027.65x = 303,048,162,495.78 × 123,249,645,757.39
  4. Step 4: Simplify right side
    219,612,170,027.65x = 37,350,578,675,032,849,907,712
  5. Step 5: Solve for x
    x = 37,350,578,675,032,849,907,712/219,612,170,027.65
  6. Step 6: Final answer
    x = 170,075,176,937.28

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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.