Home / 579,897,004.32-869,927,218.07-186,291,848.79

Finding the Fourth Proportional to 579,897,004.32, 869,927,218.07 and 186,291,848.79

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Solution

The fourth proportional to 579,897,004.32, 869,927,218.07 and 186,291,848.79 is: 279,464,023.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,897,004.32 : 869,927,218.07 = 186,291,848.79 : x
  2. Step 2: Convert to fraction form
    579,897,004.32/869,927,218.07 = 186,291,848.79/x
  3. Step 3: Cross multiply
    579,897,004.32x = 869,927,218.07 × 186,291,848.79
  4. Step 4: Simplify right side
    579,897,004.32x = 162,060,349,766,070,336
  5. Step 5: Solve for x
    x = 162,060,349,766,070,336/579,897,004.32
  6. Step 6: Final answer
    x = 279,464,023.02

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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.