Home / 768,953,000.64-1,061,160,235.98-416,528,991.36

Finding the Fourth Proportional to 768,953,000.64, 1,061,160,235.98 and 416,528,991.36

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Solution

The fourth proportional to 768,953,000.64, 1,061,160,235.98 and 416,528,991.36 is: 574,812,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,953,000.64 : 1,061,160,235.98 = 416,528,991.36 : x
  2. Step 2: Convert to fraction form
    768,953,000.64/1,061,160,235.98 = 416,528,991.36/x
  3. Step 3: Cross multiply
    768,953,000.64x = 1,061,160,235.98 × 416,528,991.36
  4. Step 4: Simplify right side
    768,953,000.64x = 442,004,002,764,089,024
  5. Step 5: Solve for x
    x = 442,004,002,764,089,024/768,953,000.64
  6. Step 6: Final answer
    x = 574,812,768.01

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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.