Home / 43,748,312,878.20-65,624,260,907.70-12,729,164,590.20

Finding the Fourth Proportional to 43,748,312,878.20, 65,624,260,907.70 and 12,729,164,590.20

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Solution

The fourth proportional to 43,748,312,878.20, 65,624,260,907.70 and 12,729,164,590.20 is: 19,094,268,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,748,312,878.20 : 65,624,260,907.70 = 12,729,164,590.20 : x
  2. Step 2: Convert to fraction form
    43,748,312,878.20/65,624,260,907.70 = 12,729,164,590.20/x
  3. Step 3: Cross multiply
    43,748,312,878.20x = 65,624,260,907.70 × 12,729,164,590.20
  4. Step 4: Simplify right side
    43,748,312,878.20x = 835,342,018,204,340,977,664
  5. Step 5: Solve for x
    x = 835,342,018,204,340,977,664/43,748,312,878.20
  6. Step 6: Final answer
    x = 19,094,268,172.81

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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.