Home / 1,019,869,334.80-1,529,804,002.20-652,537,315.60

Finding the Fourth Proportional to 1,019,869,334.80, 1,529,804,002.20 and 652,537,315.60

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Solution

The fourth proportional to 1,019,869,334.80, 1,529,804,002.20 and 652,537,315.60 is: 978,805,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,869,334.80 : 1,529,804,002.20 = 652,537,315.60 : x
  2. Step 2: Convert to fraction form
    1,019,869,334.80/1,529,804,002.20 = 652,537,315.60/x
  3. Step 3: Cross multiply
    1,019,869,334.80x = 1,529,804,002.20 × 652,537,315.60
  4. Step 4: Simplify right side
    1,019,869,334.80x = 998,254,196,989,724,544
  5. Step 5: Solve for x
    x = 998,254,196,989,724,544/1,019,869,334.80
  6. Step 6: Final answer
    x = 978,805,973.40

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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.