Home / 554,866,471.30-832,047,764.55-209,705,383.30

Finding the Fourth Proportional to 554,866,471.30, 832,047,764.55 and 209,705,383.30

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Solution

The fourth proportional to 554,866,471.30, 832,047,764.55 and 209,705,383.30 is: 314,462,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,866,471.30 : 832,047,764.55 = 209,705,383.30 : x
  2. Step 2: Convert to fraction form
    554,866,471.30/832,047,764.55 = 209,705,383.30/x
  3. Step 3: Cross multiply
    554,866,471.30x = 832,047,764.55 × 209,705,383.30
  4. Step 4: Simplify right side
    554,866,471.30x = 174,484,895,388,865,888
  5. Step 5: Solve for x
    x = 174,484,895,388,865,888/554,866,471.30
  6. Step 6: Final answer
    x = 314,462,856.23

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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.