Home / 1,262,171,136.16-1,893,460,144.38-388,772,098.24

Finding the Fourth Proportional to 1,262,171,136.16, 1,893,460,144.38 and 388,772,098.24

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Solution

The fourth proportional to 1,262,171,136.16, 1,893,460,144.38 and 388,772,098.24 is: 583,220,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,171,136.16 : 1,893,460,144.38 = 388,772,098.24 : x
  2. Step 2: Convert to fraction form
    1,262,171,136.16/1,893,460,144.38 = 388,772,098.24/x
  3. Step 3: Cross multiply
    1,262,171,136.16x = 1,893,460,144.38 × 388,772,098.24
  4. Step 4: Simplify right side
    1,262,171,136.16x = 736,124,473,264,425,984
  5. Step 5: Solve for x
    x = 736,124,473,264,425,984/1,262,171,136.16
  6. Step 6: Final answer
    x = 583,220,810.69

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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.