Home / 828,490,373.34-1,143,314,371.62-457,209,749.94

Finding the Fourth Proportional to 828,490,373.34, 1,143,314,371.62 and 457,209,749.94

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Solution

The fourth proportional to 828,490,373.34, 1,143,314,371.62 and 457,209,749.94 is: 630,948,161.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,490,373.34 : 1,143,314,371.62 = 457,209,749.94 : x
  2. Step 2: Convert to fraction form
    828,490,373.34/1,143,314,371.62 = 457,209,749.94/x
  3. Step 3: Cross multiply
    828,490,373.34x = 1,143,314,371.62 × 457,209,749.94
  4. Step 4: Simplify right side
    828,490,373.34x = 522,734,477,951,188,352
  5. Step 5: Solve for x
    x = 522,734,477,951,188,352/828,490,373.34
  6. Step 6: Final answer
    x = 630,948,161.59

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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.