Home / 730,306,796.85-1,007,506,687.88-483,132,406.77

Finding the Fourth Proportional to 730,306,796.85, 1,007,506,687.88 and 483,132,406.77

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Solution

The fourth proportional to 730,306,796.85, 1,007,506,687.88 and 483,132,406.77 is: 666,513,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,306,796.85 : 1,007,506,687.88 = 483,132,406.77 : x
  2. Step 2: Convert to fraction form
    730,306,796.85/1,007,506,687.88 = 483,132,406.77/x
  3. Step 3: Cross multiply
    730,306,796.85x = 1,007,506,687.88 × 483,132,406.77
  4. Step 4: Simplify right side
    730,306,796.85x = 486,759,130,949,919,936
  5. Step 5: Solve for x
    x = 486,759,130,949,919,936/730,306,796.85
  6. Step 6: Final answer
    x = 666,513,214.79

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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.