Home / 2,989,604,805.10-4,484,383,588.05-778,810,245.10

Finding the Fourth Proportional to 2,989,604,805.10, 4,484,383,588.05 and 778,810,245.10

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Solution

The fourth proportional to 2,989,604,805.10, 4,484,383,588.05 and 778,810,245.10 is: 1,168,209,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,604,805.10 : 4,484,383,588.05 = 778,810,245.10 : x
  2. Step 2: Convert to fraction form
    2,989,604,805.10/4,484,383,588.05 = 778,810,245.10/x
  3. Step 3: Cross multiply
    2,989,604,805.10x = 4,484,383,588.05 × 778,810,245.10
  4. Step 4: Simplify right side
    2,989,604,805.10x = 3,492,483,881,331,638,272
  5. Step 5: Solve for x
    x = 3,492,483,881,331,638,272/2,989,604,805.10
  6. Step 6: Final answer
    x = 1,168,209,214.60

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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.