Home / 744,828,429.20-1,117,242,643.80-663,039,659.30

Finding the Fourth Proportional to 744,828,429.20, 1,117,242,643.80 and 663,039,659.30

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Solution

The fourth proportional to 744,828,429.20, 1,117,242,643.80 and 663,039,659.30 is: 994,559,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,828,429.20 : 1,117,242,643.80 = 663,039,659.30 : x
  2. Step 2: Convert to fraction form
    744,828,429.20/1,117,242,643.80 = 663,039,659.30/x
  3. Step 3: Cross multiply
    744,828,429.20x = 1,117,242,643.80 × 663,039,659.30
  4. Step 4: Simplify right side
    744,828,429.20x = 740,776,181,900,583,168
  5. Step 5: Solve for x
    x = 740,776,181,900,583,168/744,828,429.20
  6. Step 6: Final answer
    x = 994,559,488.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.