Home / 673,367,741.52-929,265,697.80-408,989,106.96

Finding the Fourth Proportional to 673,367,741.52, 929,265,697.80 and 408,989,106.96

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Solution

The fourth proportional to 673,367,741.52, 929,265,697.80 and 408,989,106.96 is: 564,416,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,367,741.52 : 929,265,697.80 = 408,989,106.96 : x
  2. Step 2: Convert to fraction form
    673,367,741.52/929,265,697.80 = 408,989,106.96/x
  3. Step 3: Cross multiply
    673,367,741.52x = 929,265,697.80 × 408,989,106.96
  4. Step 4: Simplify right side
    673,367,741.52x = 380,059,547,871,783,168
  5. Step 5: Solve for x
    x = 380,059,547,871,783,168/673,367,741.52
  6. Step 6: Final answer
    x = 564,416,030.70

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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.