Home / 9,028,017,467.40-12,457,169,261.16-5,217,895,217.28

Finding the Fourth Proportional to 9,028,017,467.40, 12,457,169,261.16 and 5,217,895,217.28

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Solution

The fourth proportional to 9,028,017,467.40, 12,457,169,261.16 and 5,217,895,217.28 is: 7,199,831,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028,017,467.40 : 12,457,169,261.16 = 5,217,895,217.28 : x
  2. Step 2: Convert to fraction form
    9,028,017,467.40/12,457,169,261.16 = 5,217,895,217.28/x
  3. Step 3: Cross multiply
    9,028,017,467.40x = 12,457,169,261.16 × 5,217,895,217.28
  4. Step 4: Simplify right side
    9,028,017,467.40x = 65,000,203,908,654,194,688
  5. Step 5: Solve for x
    x = 65,000,203,908,654,194,688/9,028,017,467.40
  6. Step 6: Final answer
    x = 7,199,831,429.59

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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.