Home / 357,163,753,961.72-492,554,903,141.45-260,666,993,006.85

Finding the Fourth Proportional to 357,163,753,961.72, 492,554,903,141.45 and 260,666,993,006.85

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Solution

The fourth proportional to 357,163,753,961.72, 492,554,903,141.45 and 260,666,993,006.85 is: 359,478,821,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,163,753,961.72 : 492,554,903,141.45 = 260,666,993,006.85 : x
  2. Step 2: Convert to fraction form
    357,163,753,961.72/492,554,903,141.45 = 260,666,993,006.85/x
  3. Step 3: Cross multiply
    357,163,753,961.72x = 492,554,903,141.45 × 260,666,993,006.85
  4. Step 4: Simplify right side
    357,163,753,961.72x = 128,392,805,492,662,036,594,688
  5. Step 5: Solve for x
    x = 128,392,805,492,662,036,594,688/357,163,753,961.72
  6. Step 6: Final answer
    x = 359,478,821,880.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.