Home / 657,911,225,146.56-907,700,462,402.61-397,391,590,808.61

Finding the Fourth Proportional to 657,911,225,146.56, 907,700,462,402.61 and 397,391,590,808.61

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Solution

The fourth proportional to 657,911,225,146.56, 907,700,462,402.61 and 397,391,590,808.61 is: 548,269,305,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,911,225,146.56 : 907,700,462,402.61 = 397,391,590,808.61 : x
  2. Step 2: Convert to fraction form
    657,911,225,146.56/907,700,462,402.61 = 397,391,590,808.61/x
  3. Step 3: Cross multiply
    657,911,225,146.56x = 907,700,462,402.61 × 397,391,590,808.61
  4. Step 4: Simplify right side
    657,911,225,146.56x = 360,712,530,731,884,068,470,784
  5. Step 5: Solve for x
    x = 360,712,530,731,884,068,470,784/657,911,225,146.56
  6. Step 6: Final answer
    x = 548,269,305,864.98

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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.