Home / 649,539,237.60-974,308,856.40-164,865,045.60

Finding the Fourth Proportional to 649,539,237.60, 974,308,856.40 and 164,865,045.60

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Solution

The fourth proportional to 649,539,237.60, 974,308,856.40 and 164,865,045.60 is: 247,297,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,539,237.60 : 974,308,856.40 = 164,865,045.60 : x
  2. Step 2: Convert to fraction form
    649,539,237.60/974,308,856.40 = 164,865,045.60/x
  3. Step 3: Cross multiply
    649,539,237.60x = 974,308,856.40 × 164,865,045.60
  4. Step 4: Simplify right side
    649,539,237.60x = 160,629,474,038,869,856
  5. Step 5: Solve for x
    x = 160,629,474,038,869,856/649,539,237.60
  6. Step 6: Final answer
    x = 247,297,568.40

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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.