Home / 912,321,071.04-1,259,029,637.60-515,835,548.04

Finding the Fourth Proportional to 912,321,071.04, 1,259,029,637.60 and 515,835,548.04

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Solution

The fourth proportional to 912,321,071.04, 1,259,029,637.60 and 515,835,548.04 is: 711,868,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,321,071.04 : 1,259,029,637.60 = 515,835,548.04 : x
  2. Step 2: Convert to fraction form
    912,321,071.04/1,259,029,637.60 = 515,835,548.04/x
  3. Step 3: Cross multiply
    912,321,071.04x = 1,259,029,637.60 × 515,835,548.04
  4. Step 4: Simplify right side
    912,321,071.04x = 649,452,243,109,998,592
  5. Step 5: Solve for x
    x = 649,452,243,109,998,592/912,321,071.04
  6. Step 6: Final answer
    x = 711,868,073.34

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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.