Home / 807,158,640-1,210,737,973.28-193,742,864.96

Finding the Fourth Proportional to 807,158,640, 1,210,737,973.28 and 193,742,864.96

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Solution

The fourth proportional to 807,158,640, 1,210,737,973.28 and 193,742,864.96 is: 290,614,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,158,640 : 1,210,737,973.28 = 193,742,864.96 : x
  2. Step 2: Convert to fraction form
    807,158,640/1,210,737,973.28 = 193,742,864.96/x
  3. Step 3: Cross multiply
    807,158,640x = 1,210,737,973.28 × 193,742,864.96
  4. Step 4: Simplify right side
    807,158,640x = 234,571,843,659,131,136
  5. Step 5: Solve for x
    x = 234,571,843,659,131,136/807,158,640
  6. Step 6: Final answer
    x = 290,614,300.63

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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.