Home / 1,587,734,485.75-2,191,075,406.84-882,871,333.52

Finding the Fourth Proportional to 1,587,734,485.75, 2,191,075,406.84 and 882,871,333.52

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Solution

The fourth proportional to 1,587,734,485.75, 2,191,075,406.84 and 882,871,333.52 is: 1,218,363,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,734,485.75 : 2,191,075,406.84 = 882,871,333.52 : x
  2. Step 2: Convert to fraction form
    1,587,734,485.75/2,191,075,406.84 = 882,871,333.52/x
  3. Step 3: Cross multiply
    1,587,734,485.75x = 2,191,075,406.84 × 882,871,333.52
  4. Step 4: Simplify right side
    1,587,734,485.75x = 1,934,437,666,275,292,928
  5. Step 5: Solve for x
    x = 1,934,437,666,275,292,928/1,587,734,485.75
  6. Step 6: Final answer
    x = 1,218,363,450.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.