Home / 879,647,068.80-1,318,336,862.40-534,234,038.40

Finding the Fourth Proportional to 879,647,068.80, 1,318,336,862.40 and 534,234,038.40

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Solution

The fourth proportional to 879,647,068.80, 1,318,336,862.40 and 534,234,038.40 is: 800,662,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,647,068.80 : 1,318,336,862.40 = 534,234,038.40 : x
  2. Step 2: Convert to fraction form
    879,647,068.80/1,318,336,862.40 = 534,234,038.40/x
  3. Step 3: Cross multiply
    879,647,068.80x = 1,318,336,862.40 × 534,234,038.40
  4. Step 4: Simplify right side
    879,647,068.80x = 704,300,425,971,537,152
  5. Step 5: Solve for x
    x = 704,300,425,971,537,152/879,647,068.80
  6. Step 6: Final answer
    x = 800,662,505.40

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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.