Home / 717,022,114.80-1,075,533,172.20-425,739,302.70

Finding the Fourth Proportional to 717,022,114.80, 1,075,533,172.20 and 425,739,302.70

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Solution

The fourth proportional to 717,022,114.80, 1,075,533,172.20 and 425,739,302.70 is: 638,608,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,022,114.80 : 1,075,533,172.20 = 425,739,302.70 : x
  2. Step 2: Convert to fraction form
    717,022,114.80/1,075,533,172.20 = 425,739,302.70/x
  3. Step 3: Cross multiply
    717,022,114.80x = 1,075,533,172.20 × 425,739,302.70
  4. Step 4: Simplify right side
    717,022,114.80x = 457,896,742,763,147,008
  5. Step 5: Solve for x
    x = 457,896,742,763,147,008/717,022,114.80
  6. Step 6: Final answer
    x = 638,608,954.05

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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.