Home / 938,251,768.42-1,294,466,732.13-536,076,951.22

Finding the Fourth Proportional to 938,251,768.42, 1,294,466,732.13 and 536,076,951.22

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Solution

The fourth proportional to 938,251,768.42, 1,294,466,732.13 and 536,076,951.22 is: 739,602,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,251,768.42 : 1,294,466,732.13 = 536,076,951.22 : x
  2. Step 2: Convert to fraction form
    938,251,768.42/1,294,466,732.13 = 536,076,951.22/x
  3. Step 3: Cross multiply
    938,251,768.42x = 1,294,466,732.13 × 536,076,951.22
  4. Step 4: Simplify right side
    938,251,768.42x = 693,933,779,215,966,976
  5. Step 5: Solve for x
    x = 693,933,779,215,966,976/938,251,768.42
  6. Step 6: Final answer
    x = 739,602,953.68

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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.