Home / 540,349,075.23-745,682,361.51-292,830,429.48

Finding the Fourth Proportional to 540,349,075.23, 745,682,361.51 and 292,830,429.48

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Solution

The fourth proportional to 540,349,075.23, 745,682,361.51 and 292,830,429.48 is: 404,106,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,349,075.23 : 745,682,361.51 = 292,830,429.48 : x
  2. Step 2: Convert to fraction form
    540,349,075.23/745,682,361.51 = 292,830,429.48/x
  3. Step 3: Cross multiply
    540,349,075.23x = 745,682,361.51 × 292,830,429.48
  4. Step 4: Simplify right side
    540,349,075.23x = 218,358,486,176,633,920
  5. Step 5: Solve for x
    x = 218,358,486,176,633,920/540,349,075.23
  6. Step 6: Final answer
    x = 404,106,338.27

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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.