Home / 974,994,932.37-1,345,495,561.74-528,958,272.54

Finding the Fourth Proportional to 974,994,932.37, 1,345,495,561.74 and 528,958,272.54

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Solution

The fourth proportional to 974,994,932.37, 1,345,495,561.74 and 528,958,272.54 is: 729,963,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,994,932.37 : 1,345,495,561.74 = 528,958,272.54 : x
  2. Step 2: Convert to fraction form
    974,994,932.37/1,345,495,561.74 = 528,958,272.54/x
  3. Step 3: Cross multiply
    974,994,932.37x = 1,345,495,561.74 × 528,958,272.54
  4. Step 4: Simplify right side
    974,994,932.37x = 711,711,008,048,227,328
  5. Step 5: Solve for x
    x = 711,711,008,048,227,328/974,994,932.37
  6. Step 6: Final answer
    x = 729,963,802.29

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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.