Home / 982,000,553.90-1,355,141,555.16-535,967,114.36

Finding the Fourth Proportional to 982,000,553.90, 1,355,141,555.16 and 535,967,114.36

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Solution

The fourth proportional to 982,000,553.90, 1,355,141,555.16 and 535,967,114.36 is: 739,624,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,000,553.90 : 1,355,141,555.16 = 535,967,114.36 : x
  2. Step 2: Convert to fraction form
    982,000,553.90/1,355,141,555.16 = 535,967,114.36/x
  3. Step 3: Cross multiply
    982,000,553.90x = 1,355,141,555.16 × 535,967,114.36
  4. Step 4: Simplify right side
    982,000,553.90x = 726,311,308,868,428,032
  5. Step 5: Solve for x
    x = 726,311,308,868,428,032/982,000,553.90
  6. Step 6: Final answer
    x = 739,624,133.60

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1.5x scale

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.