Home / 1,404,423,028.80-1,938,103,744.41-777,931,813.26

Finding the Fourth Proportional to 1,404,423,028.80, 1,938,103,744.41 and 777,931,813.26

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Solution

The fourth proportional to 1,404,423,028.80, 1,938,103,744.41 and 777,931,813.26 is: 1,073,545,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,423,028.80 : 1,938,103,744.41 = 777,931,813.26 : x
  2. Step 2: Convert to fraction form
    1,404,423,028.80/1,938,103,744.41 = 777,931,813.26/x
  3. Step 3: Cross multiply
    1,404,423,028.80x = 1,938,103,744.41 × 777,931,813.26
  4. Step 4: Simplify right side
    1,404,423,028.80x = 1,507,712,560,174,866,944
  5. Step 5: Solve for x
    x = 1,507,712,560,174,866,944/1,404,423,028.80
  6. Step 6: Final answer
    x = 1,073,545,882.73

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Double scale
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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.