Home / 649,539,727.60-974,309,591.40-164,865,535.60

Finding the Fourth Proportional to 649,539,727.60, 974,309,591.40 and 164,865,535.60

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Solution

The fourth proportional to 649,539,727.60, 974,309,591.40 and 164,865,535.60 is: 247,298,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,539,727.60 : 974,309,591.40 = 164,865,535.60 : x
  2. Step 2: Convert to fraction form
    649,539,727.60/974,309,591.40 = 164,865,535.60/x
  3. Step 3: Cross multiply
    649,539,727.60x = 974,309,591.40 × 164,865,535.60
  4. Step 4: Simplify right side
    649,539,727.60x = 160,630,072,626,378,144
  5. Step 5: Solve for x
    x = 160,630,072,626,378,144/649,539,727.60
  6. Step 6: Final answer
    x = 247,298,303.40

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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.