Home / 6,430,709,642.91-9,644,994,570.73-1,947,738,429.60

Finding the Fourth Proportional to 6,430,709,642.91, 9,644,994,570.73 and 1,947,738,429.60

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Solution

The fourth proportional to 6,430,709,642.91, 9,644,994,570.73 and 1,947,738,429.60 is: 2,921,283,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,709,642.91 : 9,644,994,570.73 = 1,947,738,429.60 : x
  2. Step 2: Convert to fraction form
    6,430,709,642.91/9,644,994,570.73 = 1,947,738,429.60/x
  3. Step 3: Cross multiply
    6,430,709,642.91x = 9,644,994,570.73 × 1,947,738,429.60
  4. Step 4: Simplify right side
    6,430,709,642.91x = 18,785,926,578,710,556,672
  5. Step 5: Solve for x
    x = 18,785,926,578,710,556,672/6,430,709,642.91
  6. Step 6: Final answer
    x = 2,921,283,594.17

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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.