Home / 744,202,379-1,115,075,263.02-432,434,853.74

Finding the Fourth Proportional to 744,202,379, 1,115,075,263.02 and 432,434,853.74

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Solution

The fourth proportional to 744,202,379, 1,115,075,263.02 and 432,434,853.74 is: 647,938,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,202,379 : 1,115,075,263.02 = 432,434,853.74 : x
  2. Step 2: Convert to fraction form
    744,202,379/1,115,075,263.02 = 432,434,853.74/x
  3. Step 3: Cross multiply
    744,202,379x = 1,115,075,263.02 × 432,434,853.74
  4. Step 4: Simplify right side
    744,202,379x = 482,197,408,273,145,728
  5. Step 5: Solve for x
    x = 482,197,408,273,145,728/744,202,379
  6. Step 6: Final answer
    x = 647,938,547.20

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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.