Home / 7,899,699,840.50-10,902,766,144.88-6,218,803,313.05

Finding the Fourth Proportional to 7,899,699,840.50, 10,902,766,144.88 and 6,218,803,313.05

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Solution

The fourth proportional to 7,899,699,840.50, 10,902,766,144.88 and 6,218,803,313.05 is: 8,582,877,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899,699,840.50 : 10,902,766,144.88 = 6,218,803,313.05 : x
  2. Step 2: Convert to fraction form
    7,899,699,840.50/10,902,766,144.88 = 6,218,803,313.05/x
  3. Step 3: Cross multiply
    7,899,699,840.50x = 10,902,766,144.88 × 6,218,803,313.05
  4. Step 4: Simplify right side
    7,899,699,840.50x = 67,802,158,223,189,114,880
  5. Step 5: Solve for x
    x = 67,802,158,223,189,114,880/7,899,699,840.50
  6. Step 6: Final answer
    x = 8,582,877,779.18

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1.5x scale

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.