Home / 928,157,055,573.96-1,280,856,795,749.90-516,616,674,946.92

Finding the Fourth Proportional to 928,157,055,573.96, 1,280,856,795,749.90 and 516,616,674,946.92

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Solution

The fourth proportional to 928,157,055,573.96, 1,280,856,795,749.90 and 516,616,674,946.92 is: 712,931,044,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,157,055,573.96 : 1,280,856,795,749.90 = 516,616,674,946.92 : x
  2. Step 2: Convert to fraction form
    928,157,055,573.96/1,280,856,795,749.90 = 516,616,674,946.92/x
  3. Step 3: Cross multiply
    928,157,055,573.96x = 1,280,856,795,749.90 × 516,616,674,946.92
  4. Step 4: Simplify right side
    928,157,055,573.96x = 661,711,978,903,479,519,281,152
  5. Step 5: Solve for x
    x = 661,711,978,903,479,519,281,152/928,157,055,573.96
  6. Step 6: Final answer
    x = 712,931,044,298.62

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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.