Home / 627,344,501.80-941,016,752.70-577,179,970.60

Finding the Fourth Proportional to 627,344,501.80, 941,016,752.70 and 577,179,970.60

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Solution

The fourth proportional to 627,344,501.80, 941,016,752.70 and 577,179,970.60 is: 865,769,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,344,501.80 : 941,016,752.70 = 577,179,970.60 : x
  2. Step 2: Convert to fraction form
    627,344,501.80/941,016,752.70 = 577,179,970.60/x
  3. Step 3: Cross multiply
    627,344,501.80x = 941,016,752.70 × 577,179,970.60
  4. Step 4: Simplify right side
    627,344,501.80x = 543,136,021,657,493,504
  5. Step 5: Solve for x
    x = 543,136,021,657,493,504/627,344,501.80
  6. Step 6: Final answer
    x = 865,769,955.90

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Double scale
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1.5x scale

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.