Home / 1,554,029,572.80-2,330,990,445.60-389,508,254.40

Finding the Fourth Proportional to 1,554,029,572.80, 2,330,990,445.60 and 389,508,254.40

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Solution

The fourth proportional to 1,554,029,572.80, 2,330,990,445.60 and 389,508,254.40 is: 584,248,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,029,572.80 : 2,330,990,445.60 = 389,508,254.40 : x
  2. Step 2: Convert to fraction form
    1,554,029,572.80/2,330,990,445.60 = 389,508,254.40/x
  3. Step 3: Cross multiply
    1,554,029,572.80x = 2,330,990,445.60 × 389,508,254.40
  4. Step 4: Simplify right side
    1,554,029,572.80x = 907,940,019,488,734,080
  5. Step 5: Solve for x
    x = 907,940,019,488,734,080/1,554,029,572.80
  6. Step 6: Final answer
    x = 584,248,868.48

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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.