Home / 704,544,259.20-1,056,816,388.80-459,656,246.40

Finding the Fourth Proportional to 704,544,259.20, 1,056,816,388.80 and 459,656,246.40

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Solution

The fourth proportional to 704,544,259.20, 1,056,816,388.80 and 459,656,246.40 is: 689,484,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,544,259.20 : 1,056,816,388.80 = 459,656,246.40 : x
  2. Step 2: Convert to fraction form
    704,544,259.20/1,056,816,388.80 = 459,656,246.40/x
  3. Step 3: Cross multiply
    704,544,259.20x = 1,056,816,388.80 × 459,656,246.40
  4. Step 4: Simplify right side
    704,544,259.20x = 485,772,254,409,810,944
  5. Step 5: Solve for x
    x = 485,772,254,409,810,944/704,544,259.20
  6. Step 6: Final answer
    x = 689,484,369.60

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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.