Home / 2,989,604,802.60-4,484,383,584.30-778,810,242.60

Finding the Fourth Proportional to 2,989,604,802.60, 4,484,383,584.30 and 778,810,242.60

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Solution

The fourth proportional to 2,989,604,802.60, 4,484,383,584.30 and 778,810,242.60 is: 1,168,209,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,604,802.60 : 4,484,383,584.30 = 778,810,242.60 : x
  2. Step 2: Convert to fraction form
    2,989,604,802.60/4,484,383,584.30 = 778,810,242.60/x
  3. Step 3: Cross multiply
    2,989,604,802.60x = 4,484,383,584.30 × 778,810,242.60
  4. Step 4: Simplify right side
    2,989,604,802.60x = 3,492,483,867,200,140,800
  5. Step 5: Solve for x
    x = 3,492,483,867,200,140,800/2,989,604,802.60
  6. Step 6: Final answer
    x = 1,168,209,210.85

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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.