Home / 830,912,557,859.30-1,244,745,649,675.50-572,417,648,969.45

Finding the Fourth Proportional to 830,912,557,859.30, 1,244,745,649,675.50 and 572,417,648,969.45

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Solution

The fourth proportional to 830,912,557,859.30, 1,244,745,649,675.50 and 572,417,648,969.45 is: 857,508,255,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,912,557,859.30 : 1,244,745,649,675.50 = 572,417,648,969.45 : x
  2. Step 2: Convert to fraction form
    830,912,557,859.30/1,244,745,649,675.50 = 572,417,648,969.45/x
  3. Step 3: Cross multiply
    830,912,557,859.30x = 1,244,745,649,675.50 × 572,417,648,969.45
  4. Step 4: Simplify right side
    830,912,557,859.30x = 712,514,378,352,200,322,646,016
  5. Step 5: Solve for x
    x = 712,514,378,352,200,322,646,016/830,912,557,859.30
  6. Step 6: Final answer
    x = 857,508,255,968.44

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.