Home / 711,666,579.60-1,065,409,680.60-530,715,949.20

Finding the Fourth Proportional to 711,666,579.60, 1,065,409,680.60 and 530,715,949.20

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Solution

The fourth proportional to 711,666,579.60, 1,065,409,680.60 and 530,715,949.20 is: 794,515,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,666,579.60 : 1,065,409,680.60 = 530,715,949.20 : x
  2. Step 2: Convert to fraction form
    711,666,579.60/1,065,409,680.60 = 530,715,949.20/x
  3. Step 3: Cross multiply
    711,666,579.60x = 1,065,409,680.60 × 530,715,949.20
  4. Step 4: Simplify right side
    711,666,579.60x = 565,429,909,926,497,856
  5. Step 5: Solve for x
    x = 565,429,909,926,497,856/711,666,579.60
  6. Step 6: Final answer
    x = 794,515,193.12

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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.