Home / 915,168,438,236.52-1,262,932,650,912.20-503,636,916,936.32

Finding the Fourth Proportional to 915,168,438,236.52, 1,262,932,650,912.20 and 503,636,916,936.32

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Solution

The fourth proportional to 915,168,438,236.52, 1,262,932,650,912.20 and 503,636,916,936.32 is: 695,019,058,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,168,438,236.52 : 1,262,932,650,912.20 = 503,636,916,936.32 : x
  2. Step 2: Convert to fraction form
    915,168,438,236.52/1,262,932,650,912.20 = 503,636,916,936.32/x
  3. Step 3: Cross multiply
    915,168,438,236.52x = 1,262,932,650,912.20 × 503,636,916,936.32
  4. Step 4: Simplify right side
    915,168,438,236.52x = 636,059,506,603,634,133,565,440
  5. Step 5: Solve for x
    x = 636,059,506,603,634,133,565,440/915,168,438,236.52
  6. Step 6: Final answer
    x = 695,019,058,818.60

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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.