Home / 1,430,573,460.40-2,145,962,342.48-381,306,167.91

Finding the Fourth Proportional to 1,430,573,460.40, 2,145,962,342.48 and 381,306,167.91

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Solution

The fourth proportional to 1,430,573,460.40, 2,145,962,342.48 and 381,306,167.91 is: 571,986,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,573,460.40 : 2,145,962,342.48 = 381,306,167.91 : x
  2. Step 2: Convert to fraction form
    1,430,573,460.40/2,145,962,342.48 = 381,306,167.91/x
  3. Step 3: Cross multiply
    1,430,573,460.40x = 2,145,962,342.48 × 381,306,167.91
  4. Step 4: Simplify right side
    1,430,573,460.40x = 818,268,677,290,215,808
  5. Step 5: Solve for x
    x = 818,268,677,290,215,808/1,430,573,460.40
  6. Step 6: Final answer
    x = 571,986,479.51

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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.