Home / 744,202,380-1,115,075,264.52-432,434,854.74

Finding the Fourth Proportional to 744,202,380, 1,115,075,264.52 and 432,434,854.74

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Solution

The fourth proportional to 744,202,380, 1,115,075,264.52 and 432,434,854.74 is: 647,938,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,202,380 : 1,115,075,264.52 = 432,434,854.74 : x
  2. Step 2: Convert to fraction form
    744,202,380/1,115,075,264.52 = 432,434,854.74/x
  3. Step 3: Cross multiply
    744,202,380x = 1,115,075,264.52 × 432,434,854.74
  4. Step 4: Simplify right side
    744,202,380x = 482,197,410,036,873,280
  5. Step 5: Solve for x
    x = 482,197,410,036,873,280/744,202,380
  6. Step 6: Final answer
    x = 647,938,548.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.