Home / 587,020,056.75-880,507,103.69-198,842,886.60

Finding the Fourth Proportional to 587,020,056.75, 880,507,103.69 and 198,842,886.60

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Solution

The fourth proportional to 587,020,056.75, 880,507,103.69 and 198,842,886.60 is: 298,256,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,020,056.75 : 880,507,103.69 = 198,842,886.60 : x
  2. Step 2: Convert to fraction form
    587,020,056.75/880,507,103.69 = 198,842,886.60/x
  3. Step 3: Cross multiply
    587,020,056.75x = 880,507,103.69 × 198,842,886.60
  4. Step 4: Simplify right side
    587,020,056.75x = 175,082,574,164,128,352
  5. Step 5: Solve for x
    x = 175,082,574,164,128,352/587,020,056.75
  6. Step 6: Final answer
    x = 298,256,545.33

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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.