Home / 1,256,751,803.52-1,885,424,437.44-395,108,795.52

Finding the Fourth Proportional to 1,256,751,803.52, 1,885,424,437.44 and 395,108,795.52

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Solution

The fourth proportional to 1,256,751,803.52, 1,885,424,437.44 and 395,108,795.52 is: 592,756,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,751,803.52 : 1,885,424,437.44 = 395,108,795.52 : x
  2. Step 2: Convert to fraction form
    1,256,751,803.52/1,885,424,437.44 = 395,108,795.52/x
  3. Step 3: Cross multiply
    1,256,751,803.52x = 1,885,424,437.44 × 395,108,795.52
  4. Step 4: Simplify right side
    1,256,751,803.52x = 744,947,778,520,892,032
  5. Step 5: Solve for x
    x = 744,947,778,520,892,032/1,256,751,803.52
  6. Step 6: Final answer
    x = 592,756,482.57

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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.