Home / 1,257,285,136.50-1,722,488,450.70-1,210,158,717.66

Finding the Fourth Proportional to 1,257,285,136.50, 1,722,488,450.70 and 1,210,158,717.66

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Solution

The fourth proportional to 1,257,285,136.50, 1,722,488,450.70 and 1,210,158,717.66 is: 1,657,924,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,285,136.50 : 1,722,488,450.70 = 1,210,158,717.66 : x
  2. Step 2: Convert to fraction form
    1,257,285,136.50/1,722,488,450.70 = 1,210,158,717.66/x
  3. Step 3: Cross multiply
    1,257,285,136.50x = 1,722,488,450.70 × 1,210,158,717.66
  4. Step 4: Simplify right side
    1,257,285,136.50x = 2,084,484,414,683,272,448
  5. Step 5: Solve for x
    x = 2,084,484,414,683,272,448/1,257,285,136.50
  6. Step 6: Final answer
    x = 1,657,924,964.01

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.