Home / 651,935,493.54-899,904,992.58-387,616,853.25

Finding the Fourth Proportional to 651,935,493.54, 899,904,992.58 and 387,616,853.25

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Solution

The fourth proportional to 651,935,493.54, 899,904,992.58 and 387,616,853.25 is: 535,050,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,935,493.54 : 899,904,992.58 = 387,616,853.25 : x
  2. Step 2: Convert to fraction form
    651,935,493.54/899,904,992.58 = 387,616,853.25/x
  3. Step 3: Cross multiply
    651,935,493.54x = 899,904,992.58 × 387,616,853.25
  4. Step 4: Simplify right side
    651,935,493.54x = 348,818,341,447,824,192
  5. Step 5: Solve for x
    x = 348,818,341,447,824,192/651,935,493.54
  6. Step 6: Final answer
    x = 535,050,392.11

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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.