Home / 1,108,894,100.46-1,530,285,951.89-613,865,075.82

Finding the Fourth Proportional to 1,108,894,100.46, 1,530,285,951.89 and 613,865,075.82

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Solution

The fourth proportional to 1,108,894,100.46, 1,530,285,951.89 and 613,865,075.82 is: 847,140,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,894,100.46 : 1,530,285,951.89 = 613,865,075.82 : x
  2. Step 2: Convert to fraction form
    1,108,894,100.46/1,530,285,951.89 = 613,865,075.82/x
  3. Step 3: Cross multiply
    1,108,894,100.46x = 1,530,285,951.89 × 613,865,075.82
  4. Step 4: Simplify right side
    1,108,894,100.46x = 939,389,101,880,166,528
  5. Step 5: Solve for x
    x = 939,389,101,880,166,528/1,108,894,100.46
  6. Step 6: Final answer
    x = 847,140,499.25

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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.