Home / 668,563,554,035.45-1,003,000,256,989.80-191,039,071,640.58

Finding the Fourth Proportional to 668,563,554,035.45, 1,003,000,256,989.80 and 191,039,071,640.58

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Solution

The fourth proportional to 668,563,554,035.45, 1,003,000,256,989.80 and 191,039,071,640.58 is: 286,602,876,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,563,554,035.45 : 1,003,000,256,989.80 = 191,039,071,640.58 : x
  2. Step 2: Convert to fraction form
    668,563,554,035.45/1,003,000,256,989.80 = 191,039,071,640.58/x
  3. Step 3: Cross multiply
    668,563,554,035.45x = 1,003,000,256,989.80 × 191,039,071,640.58
  4. Step 4: Simplify right side
    668,563,554,035.45x = 191,612,237,950,594,538,536,960
  5. Step 5: Solve for x
    x = 191,612,237,950,594,538,536,960/668,563,554,035.45
  6. Step 6: Final answer
    x = 286,602,876,860.43

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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.