Home / 1,327,711,536.60-1,991,567,304.90-638,964,000.60

Finding the Fourth Proportional to 1,327,711,536.60, 1,991,567,304.90 and 638,964,000.60

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Solution

The fourth proportional to 1,327,711,536.60, 1,991,567,304.90 and 638,964,000.60 is: 958,446,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,711,536.60 : 1,991,567,304.90 = 638,964,000.60 : x
  2. Step 2: Convert to fraction form
    1,327,711,536.60/1,991,567,304.90 = 638,964,000.60/x
  3. Step 3: Cross multiply
    1,327,711,536.60x = 1,991,567,304.90 × 638,964,000.60
  4. Step 4: Simplify right side
    1,327,711,536.60x = 1,272,539,812,603,064,064
  5. Step 5: Solve for x
    x = 1,272,539,812,603,064,064/1,327,711,536.60
  6. Step 6: Final answer
    x = 958,446,000.90

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1.5x scale

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.