Home / 1,049,863,804.40-1,574,795,706.60-437,643,772.40

Finding the Fourth Proportional to 1,049,863,804.40, 1,574,795,706.60 and 437,643,772.40

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Solution

The fourth proportional to 1,049,863,804.40, 1,574,795,706.60 and 437,643,772.40 is: 656,465,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,863,804.40 : 1,574,795,706.60 = 437,643,772.40 : x
  2. Step 2: Convert to fraction form
    1,049,863,804.40/1,574,795,706.60 = 437,643,772.40/x
  3. Step 3: Cross multiply
    1,049,863,804.40x = 1,574,795,706.60 × 437,643,772.40
  4. Step 4: Simplify right side
    1,049,863,804.40x = 689,199,533,795,747,456
  5. Step 5: Solve for x
    x = 689,199,533,795,747,456/1,049,863,804.40
  6. Step 6: Final answer
    x = 656,465,658.60

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Double scale
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Similar ratio
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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.