Home / 765,391,090,030.32-1,056,240,128,022.80-413,424,020,294.60

Finding the Fourth Proportional to 765,391,090,030.32, 1,056,240,128,022.80 and 413,424,020,294.60

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Solution

The fourth proportional to 765,391,090,030.32, 1,056,240,128,022.80 and 413,424,020,294.60 is: 570,525,376,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,391,090,030.32 : 1,056,240,128,022.80 = 413,424,020,294.60 : x
  2. Step 2: Convert to fraction form
    765,391,090,030.32/1,056,240,128,022.80 = 413,424,020,294.60/x
  3. Step 3: Cross multiply
    765,391,090,030.32x = 1,056,240,128,022.80 × 413,424,020,294.60
  4. Step 4: Simplify right side
    765,391,090,030.32x = 436,675,040,123,668,949,630,976
  5. Step 5: Solve for x
    x = 436,675,040,123,668,949,630,976/765,391,090,030.32
  6. Step 6: Final answer
    x = 570,525,376,910.74

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Double scale
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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.