Home / 1,702,921,843.80-2,554,382,765.70-459,349,903.80

Finding the Fourth Proportional to 1,702,921,843.80, 2,554,382,765.70 and 459,349,903.80

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Solution

The fourth proportional to 1,702,921,843.80, 2,554,382,765.70 and 459,349,903.80 is: 689,024,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,921,843.80 : 2,554,382,765.70 = 459,349,903.80 : x
  2. Step 2: Convert to fraction form
    1,702,921,843.80/2,554,382,765.70 = 459,349,903.80/x
  3. Step 3: Cross multiply
    1,702,921,843.80x = 2,554,382,765.70 × 459,349,903.80
  4. Step 4: Simplify right side
    1,702,921,843.80x = 1,173,355,477,692,672,768
  5. Step 5: Solve for x
    x = 1,173,355,477,692,672,768/1,702,921,843.80
  6. Step 6: Final answer
    x = 689,024,855.70

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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.