Home / 549,667,489.10-824,501,233.65-489,402,079.70

Finding the Fourth Proportional to 549,667,489.10, 824,501,233.65 and 489,402,079.70

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Solution

The fourth proportional to 549,667,489.10, 824,501,233.65 and 489,402,079.70 is: 734,103,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,667,489.10 : 824,501,233.65 = 489,402,079.70 : x
  2. Step 2: Convert to fraction form
    549,667,489.10/824,501,233.65 = 489,402,079.70/x
  3. Step 3: Cross multiply
    549,667,489.10x = 824,501,233.65 × 489,402,079.70
  4. Step 4: Simplify right side
    549,667,489.10x = 403,512,618,463,525,632
  5. Step 5: Solve for x
    x = 403,512,618,463,525,632/549,667,489.10
  6. Step 6: Final answer
    x = 734,103,119.55

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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.