Home / 307,235,988,419.10-423,976,459,576.58-170,064,437,257.21

Finding the Fourth Proportional to 307,235,988,419.10, 423,976,459,576.58 and 170,064,437,257.21

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Solution

The fourth proportional to 307,235,988,419.10, 423,976,459,576.58 and 170,064,437,257.21 is: 234,683,828,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,235,988,419.10 : 423,976,459,576.58 = 170,064,437,257.21 : x
  2. Step 2: Convert to fraction form
    307,235,988,419.10/423,976,459,576.58 = 170,064,437,257.21/x
  3. Step 3: Cross multiply
    307,235,988,419.10x = 423,976,459,576.58 × 170,064,437,257.21
  4. Step 4: Simplify right side
    307,235,988,419.10x = 72,103,318,008,195,320,905,728
  5. Step 5: Solve for x
    x = 72,103,318,008,195,320,905,728/307,235,988,419.10
  6. Step 6: Final answer
    x = 234,683,828,477.28

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Double scale
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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.