Home / 643,968,219.20-965,952,328.80-598,618,587.20

Finding the Fourth Proportional to 643,968,219.20, 965,952,328.80 and 598,618,587.20

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Solution

The fourth proportional to 643,968,219.20, 965,952,328.80 and 598,618,587.20 is: 897,927,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,968,219.20 : 965,952,328.80 = 598,618,587.20 : x
  2. Step 2: Convert to fraction form
    643,968,219.20/965,952,328.80 = 598,618,587.20/x
  3. Step 3: Cross multiply
    643,968,219.20x = 965,952,328.80 × 598,618,587.20
  4. Step 4: Simplify right side
    643,968,219.20x = 578,237,018,368,805,888
  5. Step 5: Solve for x
    x = 578,237,018,368,805,888/643,968,219.20
  6. Step 6: Final answer
    x = 897,927,880.80

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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.