Home / 677,137,957,331.35-934,450,533,644.72-372,643,613,312.65

Finding the Fourth Proportional to 677,137,957,331.35, 934,450,533,644.72 and 372,643,613,312.65

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Solution

The fourth proportional to 677,137,957,331.35, 934,450,533,644.72 and 372,643,613,312.65 is: 514,248,270,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,137,957,331.35 : 934,450,533,644.72 = 372,643,613,312.65 : x
  2. Step 2: Convert to fraction form
    677,137,957,331.35/934,450,533,644.72 = 372,643,613,312.65/x
  3. Step 3: Cross multiply
    677,137,957,331.35x = 934,450,533,644.72 × 372,643,613,312.65
  4. Step 4: Simplify right side
    677,137,957,331.35x = 348,217,023,319,302,513,623,040
  5. Step 5: Solve for x
    x = 348,217,023,319,302,513,623,040/677,137,957,331.35
  6. Step 6: Final answer
    x = 514,248,270,310.60

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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.