Home / 387,475,826,707.76-581,510,395,742.30-175,388,899,804.72

Finding the Fourth Proportional to 387,475,826,707.76, 581,510,395,742.30 and 175,388,899,804.72

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Solution

The fourth proportional to 387,475,826,707.76, 581,510,395,742.30 and 175,388,899,804.72 is: 263,217,629,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,475,826,707.76 : 581,510,395,742.30 = 175,388,899,804.72 : x
  2. Step 2: Convert to fraction form
    387,475,826,707.76/581,510,395,742.30 = 175,388,899,804.72/x
  3. Step 3: Cross multiply
    387,475,826,707.76x = 581,510,395,742.30 × 175,388,899,804.72
  4. Step 4: Simplify right side
    387,475,826,707.76x = 101,990,468,534,249,342,369,792
  5. Step 5: Solve for x
    x = 101,990,468,534,249,342,369,792/387,475,826,707.76
  6. Step 6: Final answer
    x = 263,217,629,344.33

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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.