Home / 754,026,007.80-1,131,039,011.70-208,767,541.80

Finding the Fourth Proportional to 754,026,007.80, 1,131,039,011.70 and 208,767,541.80

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Solution

The fourth proportional to 754,026,007.80, 1,131,039,011.70 and 208,767,541.80 is: 313,151,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,026,007.80 : 1,131,039,011.70 = 208,767,541.80 : x
  2. Step 2: Convert to fraction form
    754,026,007.80/1,131,039,011.70 = 208,767,541.80/x
  3. Step 3: Cross multiply
    754,026,007.80x = 1,131,039,011.70 × 208,767,541.80
  4. Step 4: Simplify right side
    754,026,007.80x = 236,124,234,152,510,464
  5. Step 5: Solve for x
    x = 236,124,234,152,510,464/754,026,007.80
  6. Step 6: Final answer
    x = 313,151,312.70

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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.