Home / 717,526,384,336.40-989,719,846,808.30-460,201,695,542.55

Finding the Fourth Proportional to 717,526,384,336.40, 989,719,846,808.30 and 460,201,695,542.55

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Solution

The fourth proportional to 717,526,384,336.40, 989,719,846,808.30 and 460,201,695,542.55 is: 634,779,098,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,526,384,336.40 : 989,719,846,808.30 = 460,201,695,542.55 : x
  2. Step 2: Convert to fraction form
    717,526,384,336.40/989,719,846,808.30 = 460,201,695,542.55/x
  3. Step 3: Cross multiply
    717,526,384,336.40x = 989,719,846,808.30 × 460,201,695,542.55
  4. Step 4: Simplify right side
    717,526,384,336.40x = 455,470,751,613,292,501,794,816
  5. Step 5: Solve for x
    x = 455,470,751,613,292,501,794,816/717,526,384,336.40
  6. Step 6: Final answer
    x = 634,779,098,798.62

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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.