Home / 760,919,285.52-1,139,441,320.44-501,347,557.68

Finding the Fourth Proportional to 760,919,285.52, 1,139,441,320.44 and 501,347,557.68

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Solution

The fourth proportional to 760,919,285.52, 1,139,441,320.44 and 501,347,557.68 is: 750,744,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,919,285.52 : 1,139,441,320.44 = 501,347,557.68 : x
  2. Step 2: Convert to fraction form
    760,919,285.52/1,139,441,320.44 = 501,347,557.68/x
  3. Step 3: Cross multiply
    760,919,285.52x = 1,139,441,320.44 × 501,347,557.68
  4. Step 4: Simplify right side
    760,919,285.52x = 571,256,123,122,268,288
  5. Step 5: Solve for x
    x = 571,256,123,122,268,288/760,919,285.52
  6. Step 6: Final answer
    x = 750,744,703.14

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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.