Home / 3,078,237,688.68-4,247,854,205.58-1,668,511,384.32

Finding the Fourth Proportional to 3,078,237,688.68, 4,247,854,205.58 and 1,668,511,384.32

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Solution

The fourth proportional to 3,078,237,688.68, 4,247,854,205.58 and 1,668,511,384.32 is: 2,302,484,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,237,688.68 : 4,247,854,205.58 = 1,668,511,384.32 : x
  2. Step 2: Convert to fraction form
    3,078,237,688.68/4,247,854,205.58 = 1,668,511,384.32/x
  3. Step 3: Cross multiply
    3,078,237,688.68x = 4,247,854,205.58 × 1,668,511,384.32
  4. Step 4: Simplify right side
    3,078,237,688.68x = 7,087,593,100,941,818,880
  5. Step 5: Solve for x
    x = 7,087,593,100,941,818,880/3,078,237,688.68
  6. Step 6: Final answer
    x = 2,302,484,024.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.