Home / 924,379,539.89-1,274,899,953.60-812,631,448.01

Finding the Fourth Proportional to 924,379,539.89, 1,274,899,953.60 and 812,631,448.01

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Solution

The fourth proportional to 924,379,539.89, 1,274,899,953.60 and 812,631,448.01 is: 1,120,777,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,379,539.89 : 1,274,899,953.60 = 812,631,448.01 : x
  2. Step 2: Convert to fraction form
    924,379,539.89/1,274,899,953.60 = 812,631,448.01/x
  3. Step 3: Cross multiply
    924,379,539.89x = 1,274,899,953.60 × 812,631,448.01
  4. Step 4: Simplify right side
    924,379,539.89x = 1,036,023,795,365,037,056
  5. Step 5: Solve for x
    x = 1,036,023,795,365,037,056/924,379,539.89
  6. Step 6: Final answer
    x = 1,120,777,506.06

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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.