Home / 1,788,872,616.12-2,684,534,621.98-624,341,106.90

Finding the Fourth Proportional to 1,788,872,616.12, 2,684,534,621.98 and 624,341,106.90

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Solution

The fourth proportional to 1,788,872,616.12, 2,684,534,621.98 and 624,341,106.90 is: 936,939,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,872,616.12 : 2,684,534,621.98 = 624,341,106.90 : x
  2. Step 2: Convert to fraction form
    1,788,872,616.12/2,684,534,621.98 = 624,341,106.90/x
  3. Step 3: Cross multiply
    1,788,872,616.12x = 2,684,534,621.98 × 624,341,106.90
  4. Step 4: Simplify right side
    1,788,872,616.12x = 1,676,065,317,403,516,928
  5. Step 5: Solve for x
    x = 1,676,065,317,403,516,928/1,788,872,616.12
  6. Step 6: Final answer
    x = 936,939,445.72

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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.