Home / 553,676,009.40-830,514,014.10-545,066,665.20

Finding the Fourth Proportional to 553,676,009.40, 830,514,014.10 and 545,066,665.20

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Solution

The fourth proportional to 553,676,009.40, 830,514,014.10 and 545,066,665.20 is: 817,599,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,676,009.40 : 830,514,014.10 = 545,066,665.20 : x
  2. Step 2: Convert to fraction form
    553,676,009.40/830,514,014.10 = 545,066,665.20/x
  3. Step 3: Cross multiply
    553,676,009.40x = 830,514,014.10 × 545,066,665.20
  4. Step 4: Simplify right side
    553,676,009.40x = 452,685,504,067,352,832
  5. Step 5: Solve for x
    x = 452,685,504,067,352,832/553,676,009.40
  6. Step 6: Final answer
    x = 817,599,997.80

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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.