Home / 559,872,075.20-839,808,112.80-355,630,769.60

Finding the Fourth Proportional to 559,872,075.20, 839,808,112.80 and 355,630,769.60

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Solution

The fourth proportional to 559,872,075.20, 839,808,112.80 and 355,630,769.60 is: 533,446,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,075.20 : 839,808,112.80 = 355,630,769.60 : x
  2. Step 2: Convert to fraction form
    559,872,075.20/839,808,112.80 = 355,630,769.60/x
  3. Step 3: Cross multiply
    559,872,075.20x = 839,808,112.80 × 355,630,769.60
  4. Step 4: Simplify right side
    559,872,075.20x = 298,661,605,471,387,584
  5. Step 5: Solve for x
    x = 298,661,605,471,387,584/559,872,075.20
  6. Step 6: Final answer
    x = 533,446,154.40

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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.