Home / 1,069,019,477.60-1,603,529,216.40-939,773,026.40

Finding the Fourth Proportional to 1,069,019,477.60, 1,603,529,216.40 and 939,773,026.40

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Solution

The fourth proportional to 1,069,019,477.60, 1,603,529,216.40 and 939,773,026.40 is: 1,409,659,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,019,477.60 : 1,603,529,216.40 = 939,773,026.40 : x
  2. Step 2: Convert to fraction form
    1,069,019,477.60/1,603,529,216.40 = 939,773,026.40/x
  3. Step 3: Cross multiply
    1,069,019,477.60x = 1,603,529,216.40 × 939,773,026.40
  4. Step 4: Simplify right side
    1,069,019,477.60x = 1,506,953,504,617,048,576
  5. Step 5: Solve for x
    x = 1,506,953,504,617,048,576/1,069,019,477.60
  6. Step 6: Final answer
    x = 1,409,659,539.60

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Double scale
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1.5x scale

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.