Home / 1,039,719,931.34-1,559,567,873.97-252,778,041.77

Finding the Fourth Proportional to 1,039,719,931.34, 1,559,567,873.97 and 252,778,041.77

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Solution

The fourth proportional to 1,039,719,931.34, 1,559,567,873.97 and 252,778,041.77 is: 379,164,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,719,931.34 : 1,559,567,873.97 = 252,778,041.77 : x
  2. Step 2: Convert to fraction form
    1,039,719,931.34/1,559,567,873.97 = 252,778,041.77/x
  3. Step 3: Cross multiply
    1,039,719,931.34x = 1,559,567,873.97 × 252,778,041.77
  4. Step 4: Simplify right side
    1,039,719,931.34x = 394,224,513,181,740,928
  5. Step 5: Solve for x
    x = 394,224,513,181,740,928/1,039,719,931.34
  6. Step 6: Final answer
    x = 379,164,139.59

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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.