Home / 939,780,032.40-1,409,670,048.60-800,707,827.60

Finding the Fourth Proportional to 939,780,032.40, 1,409,670,048.60 and 800,707,827.60

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Solution

The fourth proportional to 939,780,032.40, 1,409,670,048.60 and 800,707,827.60 is: 1,201,061,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,780,032.40 : 1,409,670,048.60 = 800,707,827.60 : x
  2. Step 2: Convert to fraction form
    939,780,032.40/1,409,670,048.60 = 800,707,827.60/x
  3. Step 3: Cross multiply
    939,780,032.40x = 1,409,670,048.60 × 800,707,827.60
  4. Step 4: Simplify right side
    939,780,032.40x = 1,128,733,842,247,292,416
  5. Step 5: Solve for x
    x = 1,128,733,842,247,292,416/939,780,032.40
  6. Step 6: Final answer
    x = 1,201,061,741.40

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1.5x scale

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.