Home / 949,392,734.72-1,421,537,666.88-602,468,049.92

Finding the Fourth Proportional to 949,392,734.72, 1,421,537,666.88 and 602,468,049.92

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Solution

The fourth proportional to 949,392,734.72, 1,421,537,666.88 and 602,468,049.92 is: 902,082,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,392,734.72 : 1,421,537,666.88 = 602,468,049.92 : x
  2. Step 2: Convert to fraction form
    949,392,734.72/1,421,537,666.88 = 602,468,049.92/x
  3. Step 3: Cross multiply
    949,392,734.72x = 1,421,537,666.88 × 602,468,049.92
  4. Step 4: Simplify right side
    949,392,734.72x = 856,431,026,053,020,160
  5. Step 5: Solve for x
    x = 856,431,026,053,020,160/949,392,734.72
  6. Step 6: Final answer
    x = 902,082,978.66

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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.