Home / 828,304,875.04-1,143,084,645.84-457,050,820.72

Finding the Fourth Proportional to 828,304,875.04, 1,143,084,645.84 and 457,050,820.72

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Solution

The fourth proportional to 828,304,875.04, 1,143,084,645.84 and 457,050,820.72 is: 630,743,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,304,875.04 : 1,143,084,645.84 = 457,050,820.72 : x
  2. Step 2: Convert to fraction form
    828,304,875.04/1,143,084,645.84 = 457,050,820.72/x
  3. Step 3: Cross multiply
    828,304,875.04x = 1,143,084,645.84 × 457,050,820.72
  4. Step 4: Simplify right side
    828,304,875.04x = 522,447,775,533,602,496
  5. Step 5: Solve for x
    x = 522,447,775,533,602,496/828,304,875.04
  6. Step 6: Final answer
    x = 630,743,330.48

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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.