Home / 579,897,017.82-869,927,238.33-186,291,862.32

Finding the Fourth Proportional to 579,897,017.82, 869,927,238.33 and 186,291,862.32

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Solution

The fourth proportional to 579,897,017.82, 869,927,238.33 and 186,291,862.32 is: 279,464,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,897,017.82 : 869,927,238.33 = 186,291,862.32 : x
  2. Step 2: Convert to fraction form
    579,897,017.82/869,927,238.33 = 186,291,862.32/x
  3. Step 3: Cross multiply
    579,897,017.82x = 869,927,238.33 × 186,291,862.32
  4. Step 4: Simplify right side
    579,897,017.82x = 162,060,365,311,390,176
  5. Step 5: Solve for x
    x = 162,060,365,311,390,176/579,897,017.82
  6. Step 6: Final answer
    x = 279,464,043.32

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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.