Home / 747,855,145.78-1,032,168,254.96-434,770,963.10

Finding the Fourth Proportional to 747,855,145.78, 1,032,168,254.96 and 434,770,963.10

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Solution

The fourth proportional to 747,855,145.78, 1,032,168,254.96 and 434,770,963.10 is: 600,058,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,855,145.78 : 1,032,168,254.96 = 434,770,963.10 : x
  2. Step 2: Convert to fraction form
    747,855,145.78/1,032,168,254.96 = 434,770,963.10/x
  3. Step 3: Cross multiply
    747,855,145.78x = 1,032,168,254.96 × 434,770,963.10
  4. Step 4: Simplify right side
    747,855,145.78x = 448,756,786,295,813,376
  5. Step 5: Solve for x
    x = 448,756,786,295,813,376/747,855,145.78
  6. Step 6: Final answer
    x = 600,058,432.21

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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.