Home / 749,261,973.89-1,123,505,708.75-328,911,301.01

Finding the Fourth Proportional to 749,261,973.89, 1,123,505,708.75 and 328,911,301.01

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Solution

The fourth proportional to 749,261,973.89, 1,123,505,708.75 and 328,911,301.01 is: 493,196,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,261,973.89 : 1,123,505,708.75 = 328,911,301.01 : x
  2. Step 2: Convert to fraction form
    749,261,973.89/1,123,505,708.75 = 328,911,301.01/x
  3. Step 3: Cross multiply
    749,261,973.89x = 1,123,505,708.75 × 328,911,301.01
  4. Step 4: Simplify right side
    749,261,973.89x = 369,533,724,359,505,792
  5. Step 5: Solve for x
    x = 369,533,724,359,505,792/749,261,973.89
  6. Step 6: Final answer
    x = 493,196,955.45

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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.