Home / 485,033,886.84-727,599,801.78-157,495,703.16

Finding the Fourth Proportional to 485,033,886.84, 727,599,801.78 and 157,495,703.16

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Solution

The fourth proportional to 485,033,886.84, 727,599,801.78 and 157,495,703.16 is: 236,259,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,033,886.84 : 727,599,801.78 = 157,495,703.16 : x
  2. Step 2: Convert to fraction form
    485,033,886.84/727,599,801.78 = 157,495,703.16/x
  3. Step 3: Cross multiply
    485,033,886.84x = 727,599,801.78 × 157,495,703.16
  4. Step 4: Simplify right side
    485,033,886.84x = 114,593,842,400,417,712
  5. Step 5: Solve for x
    x = 114,593,842,400,417,712/485,033,886.84
  6. Step 6: Final answer
    x = 236,259,456.32

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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.