Home / 1,069,019,479.60-1,603,529,219.40-939,773,028.40

Finding the Fourth Proportional to 1,069,019,479.60, 1,603,529,219.40 and 939,773,028.40

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Solution

The fourth proportional to 1,069,019,479.60, 1,603,529,219.40 and 939,773,028.40 is: 1,409,659,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,019,479.60 : 1,603,529,219.40 = 939,773,028.40 : x
  2. Step 2: Convert to fraction form
    1,069,019,479.60/1,603,529,219.40 = 939,773,028.40/x
  3. Step 3: Cross multiply
    1,069,019,479.60x = 1,603,529,219.40 × 939,773,028.40
  4. Step 4: Simplify right side
    1,069,019,479.60x = 1,506,953,510,643,426,048
  5. Step 5: Solve for x
    x = 1,506,953,510,643,426,048/1,069,019,479.60
  6. Step 6: Final answer
    x = 1,409,659,542.60

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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.