Home / 470,348,136.07-705,476,583.24-142,826,482.51

Finding the Fourth Proportional to 470,348,136.07, 705,476,583.24 and 142,826,482.51

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Solution

The fourth proportional to 470,348,136.07, 705,476,583.24 and 142,826,482.51 is: 214,225,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,348,136.07 : 705,476,583.24 = 142,826,482.51 : x
  2. Step 2: Convert to fraction form
    470,348,136.07/705,476,583.24 = 142,826,482.51/x
  3. Step 3: Cross multiply
    470,348,136.07x = 705,476,583.24 × 142,826,482.51
  4. Step 4: Simplify right side
    470,348,136.07x = 100,760,738,877,342,416
  5. Step 5: Solve for x
    x = 100,760,738,877,342,416/470,348,136.07
  6. Step 6: Final answer
    x = 214,225,870.48

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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.