Home / 445,709,036,019.64-668,666,837,987.22-127,359,381,089.72

Finding the Fourth Proportional to 445,709,036,019.64, 668,666,837,987.22 and 127,359,381,089.72

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Solution

The fourth proportional to 445,709,036,019.64, 668,666,837,987.22 and 127,359,381,089.72 is: 191,068,584,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,709,036,019.64 : 668,666,837,987.22 = 127,359,381,089.72 : x
  2. Step 2: Convert to fraction form
    445,709,036,019.64/668,666,837,987.22 = 127,359,381,089.72/x
  3. Step 3: Cross multiply
    445,709,036,019.64x = 668,666,837,987.22 × 127,359,381,089.72
  4. Step 4: Simplify right side
    445,709,036,019.64x = 85,160,994,641,272,417,288,192
  5. Step 5: Solve for x
    x = 85,160,994,641,272,417,288,192/445,709,036,019.64
  6. Step 6: Final answer
    x = 191,068,584,567.62

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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.