Home / 3,157,766,317.05-4,731,547,641.98-1,991,147,033.85

Finding the Fourth Proportional to 3,157,766,317.05, 4,731,547,641.98 and 1,991,147,033.85

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Solution

The fourth proportional to 3,157,766,317.05, 4,731,547,641.98 and 1,991,147,033.85 is: 2,983,503,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,766,317.05 : 4,731,547,641.98 = 1,991,147,033.85 : x
  2. Step 2: Convert to fraction form
    3,157,766,317.05/4,731,547,641.98 = 1,991,147,033.85/x
  3. Step 3: Cross multiply
    3,157,766,317.05x = 4,731,547,641.98 × 1,991,147,033.85
  4. Step 4: Simplify right side
    3,157,766,317.05x = 9,421,207,052,838,483,968
  5. Step 5: Solve for x
    x = 9,421,207,052,838,483,968/3,157,766,317.05
  6. Step 6: Final answer
    x = 2,983,503,561.35

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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.