Home / 1,534,684,578.22-2,117,863,225.47-829,834,872.40

Finding the Fourth Proportional to 1,534,684,578.22, 2,117,863,225.47 and 829,834,872.40

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Solution

The fourth proportional to 1,534,684,578.22, 2,117,863,225.47 and 829,834,872.40 is: 1,145,171,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,684,578.22 : 2,117,863,225.47 = 829,834,872.40 : x
  2. Step 2: Convert to fraction form
    1,534,684,578.22/2,117,863,225.47 = 829,834,872.40/x
  3. Step 3: Cross multiply
    1,534,684,578.22x = 2,117,863,225.47 × 829,834,872.40
  4. Step 4: Simplify right side
    1,534,684,578.22x = 1,757,476,759,468,549,888
  5. Step 5: Solve for x
    x = 1,757,476,759,468,549,888/1,534,684,578.22
  6. Step 6: Final answer
    x = 1,145,171,316.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.