Home / 1,500,841,376.08-2,071,161,295.20-831,829,613.44

Finding the Fourth Proportional to 1,500,841,376.08, 2,071,161,295.20 and 831,829,613.44

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Solution

The fourth proportional to 1,500,841,376.08, 2,071,161,295.20 and 831,829,613.44 is: 1,147,924,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,841,376.08 : 2,071,161,295.20 = 831,829,613.44 : x
  2. Step 2: Convert to fraction form
    1,500,841,376.08/2,071,161,295.20 = 831,829,613.44/x
  3. Step 3: Cross multiply
    1,500,841,376.08x = 2,071,161,295.20 × 831,829,613.44
  4. Step 4: Simplify right side
    1,500,841,376.08x = 1,722,853,299,558,105,856
  5. Step 5: Solve for x
    x = 1,722,853,299,558,105,856/1,500,841,376.08
  6. Step 6: Final answer
    x = 1,147,924,975.29

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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.