Home / 483,869,783.60-725,804,675.40-120,364,139.60

Finding the Fourth Proportional to 483,869,783.60, 725,804,675.40 and 120,364,139.60

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Solution

The fourth proportional to 483,869,783.60, 725,804,675.40 and 120,364,139.60 is: 180,546,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,869,783.60 : 725,804,675.40 = 120,364,139.60 : x
  2. Step 2: Convert to fraction form
    483,869,783.60/725,804,675.40 = 120,364,139.60/x
  3. Step 3: Cross multiply
    483,869,783.60x = 725,804,675.40 × 120,364,139.60
  4. Step 4: Simplify right side
    483,869,783.60x = 87,360,855,272,178,272
  5. Step 5: Solve for x
    x = 87,360,855,272,178,272/483,869,783.60
  6. Step 6: Final answer
    x = 180,546,209.40

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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.