Home / 1,778,820,468.62-2,453,340,900.58-1,563,779,323.40

Finding the Fourth Proportional to 1,778,820,468.62, 2,453,340,900.58 and 1,563,779,323.40

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Solution

The fourth proportional to 1,778,820,468.62, 2,453,340,900.58 and 1,563,779,323.40 is: 2,156,757,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,820,468.62 : 2,453,340,900.58 = 1,563,779,323.40 : x
  2. Step 2: Convert to fraction form
    1,778,820,468.62/2,453,340,900.58 = 1,563,779,323.40/x
  3. Step 3: Cross multiply
    1,778,820,468.62x = 2,453,340,900.58 × 1,563,779,323.40
  4. Step 4: Simplify right side
    1,778,820,468.62x = 3,836,483,773,562,362,880
  5. Step 5: Solve for x
    x = 3,836,483,773,562,362,880/1,778,820,468.62
  6. Step 6: Final answer
    x = 2,156,757,155.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.