Home / 828,304,873.04-1,143,084,643.08-457,050,818.72

Finding the Fourth Proportional to 828,304,873.04, 1,143,084,643.08 and 457,050,818.72

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Solution

The fourth proportional to 828,304,873.04, 1,143,084,643.08 and 457,050,818.72 is: 630,743,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,304,873.04 : 1,143,084,643.08 = 457,050,818.72 : x
  2. Step 2: Convert to fraction form
    828,304,873.04/1,143,084,643.08 = 457,050,818.72/x
  3. Step 3: Cross multiply
    828,304,873.04x = 1,143,084,643.08 × 457,050,818.72
  4. Step 4: Simplify right side
    828,304,873.04x = 522,447,771,985,972,992
  5. Step 5: Solve for x
    x = 522,447,771,985,972,992/828,304,873.04
  6. Step 6: Final answer
    x = 630,743,327.72

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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.