Home / 519,525,870.36-779,191,374.69-260,671,588.08

Finding the Fourth Proportional to 519,525,870.36, 779,191,374.69 and 260,671,588.08

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Solution

The fourth proportional to 519,525,870.36, 779,191,374.69 and 260,671,588.08 is: 390,958,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,525,870.36 : 779,191,374.69 = 260,671,588.08 : x
  2. Step 2: Convert to fraction form
    519,525,870.36/779,191,374.69 = 260,671,588.08/x
  3. Step 3: Cross multiply
    519,525,870.36x = 779,191,374.69 × 260,671,588.08
  4. Step 4: Simplify right side
    519,525,870.36x = 203,113,053,058,680,640
  5. Step 5: Solve for x
    x = 203,113,053,058,680,640/519,525,870.36
  6. Step 6: Final answer
    x = 390,958,496.29

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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.