Home / 536,544,276.80-804,816,415.20-390,291,713.60

Finding the Fourth Proportional to 536,544,276.80, 804,816,415.20 and 390,291,713.60

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Solution

The fourth proportional to 536,544,276.80, 804,816,415.20 and 390,291,713.60 is: 585,437,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,544,276.80 : 804,816,415.20 = 390,291,713.60 : x
  2. Step 2: Convert to fraction form
    536,544,276.80/804,816,415.20 = 390,291,713.60/x
  3. Step 3: Cross multiply
    536,544,276.80x = 804,816,415.20 × 390,291,713.60
  4. Step 4: Simplify right side
    536,544,276.80x = 314,113,177,821,817,152
  5. Step 5: Solve for x
    x = 314,113,177,821,817,152/536,544,276.80
  6. Step 6: Final answer
    x = 585,437,570.40

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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.