Home / 1,365,355,178.39-1,884,193,421.43-738,830,329.31

Finding the Fourth Proportional to 1,365,355,178.39, 1,884,193,421.43 and 738,830,329.31

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Solution

The fourth proportional to 1,365,355,178.39, 1,884,193,421.43 and 738,830,329.31 is: 1,019,587,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,355,178.39 : 1,884,193,421.43 = 738,830,329.31 : x
  2. Step 2: Convert to fraction form
    1,365,355,178.39/1,884,193,421.43 = 738,830,329.31/x
  3. Step 3: Cross multiply
    1,365,355,178.39x = 1,884,193,421.43 × 738,830,329.31
  4. Step 4: Simplify right side
    1,365,355,178.39x = 1,392,099,246,029,441,536
  5. Step 5: Solve for x
    x = 1,392,099,246,029,441,536/1,365,355,178.39
  6. Step 6: Final answer
    x = 1,019,587,626.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.