Home / 672,950,069.60-1,009,780,746.63-477,476,759.60

Finding the Fourth Proportional to 672,950,069.60, 1,009,780,746.63 and 477,476,759.60

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Solution

The fourth proportional to 672,950,069.60, 1,009,780,746.63 and 477,476,759.60 is: 716,467,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,950,069.60 : 1,009,780,746.63 = 477,476,759.60 : x
  2. Step 2: Convert to fraction form
    672,950,069.60/1,009,780,746.63 = 477,476,759.60/x
  3. Step 3: Cross multiply
    672,950,069.60x = 1,009,780,746.63 × 477,476,759.60
  4. Step 4: Simplify right side
    672,950,069.60x = 482,146,838,802,312,128
  5. Step 5: Solve for x
    x = 482,146,838,802,312,128/672,950,069.60
  6. Step 6: Final answer
    x = 716,467,477.43

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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.