Home / 517,814,085.60-776,721,128.40-134,861,637.60

Finding the Fourth Proportional to 517,814,085.60, 776,721,128.40 and 134,861,637.60

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Solution

The fourth proportional to 517,814,085.60, 776,721,128.40 and 134,861,637.60 is: 202,292,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,814,085.60 : 776,721,128.40 = 134,861,637.60 : x
  2. Step 2: Convert to fraction form
    517,814,085.60/776,721,128.40 = 134,861,637.60/x
  3. Step 3: Cross multiply
    517,814,085.60x = 776,721,128.40 × 134,861,637.60
  4. Step 4: Simplify right side
    517,814,085.60x = 104,749,883,334,543,856
  5. Step 5: Solve for x
    x = 104,749,883,334,543,856/517,814,085.60
  6. Step 6: Final answer
    x = 202,292,456.40

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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.