Home / 14,603,508,781.92-21,782,482,291.68-13,262,867,420.16

Finding the Fourth Proportional to 14,603,508,781.92, 21,782,482,291.68 and 13,262,867,420.16

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Solution

The fourth proportional to 14,603,508,781.92, 21,782,482,291.68 and 13,262,867,420.16 is: 19,782,791,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603,508,781.92 : 21,782,482,291.68 = 13,262,867,420.16 : x
  2. Step 2: Convert to fraction form
    14,603,508,781.92/21,782,482,291.68 = 13,262,867,420.16/x
  3. Step 3: Cross multiply
    14,603,508,781.92x = 21,782,482,291.68 × 13,262,867,420.16
  4. Step 4: Simplify right side
    14,603,508,781.92x = 288,898,174,716,534,816,768
  5. Step 5: Solve for x
    x = 288,898,174,716,534,816,768/14,603,508,781.92
  6. Step 6: Final answer
    x = 19,782,791,863.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.