Home / 2,989,496,712.30-4,484,245,068.45-778,702,152.30

Finding the Fourth Proportional to 2,989,496,712.30, 4,484,245,068.45 and 778,702,152.30

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Solution

The fourth proportional to 2,989,496,712.30, 4,484,245,068.45 and 778,702,152.30 is: 1,168,053,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,496,712.30 : 4,484,245,068.45 = 778,702,152.30 : x
  2. Step 2: Convert to fraction form
    2,989,496,712.30/4,484,245,068.45 = 778,702,152.30/x
  3. Step 3: Cross multiply
    2,989,496,712.30x = 4,484,245,068.45 × 778,702,152.30
  4. Step 4: Simplify right side
    2,989,496,712.30x = 3,491,891,286,242,675,712
  5. Step 5: Solve for x
    x = 3,491,891,286,242,675,712/2,989,496,712.30
  6. Step 6: Final answer
    x = 1,168,053,228.45

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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.