Home / 747,855,147.78-1,032,168,257.72-434,770,965.10

Finding the Fourth Proportional to 747,855,147.78, 1,032,168,257.72 and 434,770,965.10

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Solution

The fourth proportional to 747,855,147.78, 1,032,168,257.72 and 434,770,965.10 is: 600,058,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,855,147.78 : 1,032,168,257.72 = 434,770,965.10 : x
  2. Step 2: Convert to fraction form
    747,855,147.78/1,032,168,257.72 = 434,770,965.10/x
  3. Step 3: Cross multiply
    747,855,147.78x = 1,032,168,257.72 × 434,770,965.10
  4. Step 4: Simplify right side
    747,855,147.78x = 448,756,789,554,509,952
  5. Step 5: Solve for x
    x = 448,756,789,554,509,952/747,855,147.78
  6. Step 6: Final answer
    x = 600,058,434.96

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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.