Home / 1,537,905,667.87-2,122,320,011.64-833,057,649.32

Finding the Fourth Proportional to 1,537,905,667.87, 2,122,320,011.64 and 833,057,649.32

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Solution

The fourth proportional to 1,537,905,667.87, 2,122,320,011.64 and 833,057,649.32 is: 1,149,625,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,905,667.87 : 2,122,320,011.64 = 833,057,649.32 : x
  2. Step 2: Convert to fraction form
    1,537,905,667.87/2,122,320,011.64 = 833,057,649.32/x
  3. Step 3: Cross multiply
    1,537,905,667.87x = 2,122,320,011.64 × 833,057,649.32
  4. Step 4: Simplify right side
    1,537,905,667.87x = 1,768,014,920,001,613,568
  5. Step 5: Solve for x
    x = 1,768,014,920,001,613,568/1,537,905,667.87
  6. Step 6: Final answer
    x = 1,149,625,075.81

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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.