Home / 4,968,678,908.60-7,446,688,310.10-2,640,731,132.60

Finding the Fourth Proportional to 4,968,678,908.60, 7,446,688,310.10 and 2,640,731,132.60

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Solution

The fourth proportional to 4,968,678,908.60, 7,446,688,310.10 and 2,640,731,132.60 is: 3,957,732,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968,678,908.60 : 7,446,688,310.10 = 2,640,731,132.60 : x
  2. Step 2: Convert to fraction form
    4,968,678,908.60/7,446,688,310.10 = 2,640,731,132.60/x
  3. Step 3: Cross multiply
    4,968,678,908.60x = 7,446,688,310.10 × 2,640,731,132.60
  4. Step 4: Simplify right side
    4,968,678,908.60x = 19,664,701,655,249,551,360
  5. Step 5: Solve for x
    x = 19,664,701,655,249,551,360/4,968,678,908.60
  6. Step 6: Final answer
    x = 3,957,732,430.89

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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.