Home / 933,294,782.15-1,399,924,152.27-278,689,348.79

Finding the Fourth Proportional to 933,294,782.15, 1,399,924,152.27 and 278,689,348.79

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Solution

The fourth proportional to 933,294,782.15, 1,399,924,152.27 and 278,689,348.79 is: 418,028,641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,294,782.15 : 1,399,924,152.27 = 278,689,348.79 : x
  2. Step 2: Convert to fraction form
    933,294,782.15/1,399,924,152.27 = 278,689,348.79/x
  3. Step 3: Cross multiply
    933,294,782.15x = 1,399,924,152.27 × 278,689,348.79
  4. Step 4: Simplify right side
    933,294,782.15x = 390,143,950,344,519,488
  5. Step 5: Solve for x
    x = 390,143,950,344,519,488/933,294,782.15
  6. Step 6: Final answer
    x = 418,028,641.98

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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.