Home / 648,619,266.96-974,481,037.02-415,905,917.04

Finding the Fourth Proportional to 648,619,266.96, 974,481,037.02 and 415,905,917.04

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Solution

The fourth proportional to 648,619,266.96, 974,481,037.02 and 415,905,917.04 is: 624,854,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,619,266.96 : 974,481,037.02 = 415,905,917.04 : x
  2. Step 2: Convert to fraction form
    648,619,266.96/974,481,037.02 = 415,905,917.04/x
  3. Step 3: Cross multiply
    648,619,266.96x = 974,481,037.02 × 415,905,917.04
  4. Step 4: Simplify right side
    648,619,266.96x = 405,292,429,339,893,312
  5. Step 5: Solve for x
    x = 405,292,429,339,893,312/648,619,266.96
  6. Step 6: Final answer
    x = 624,854,132.44

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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.