Home / 435,492,080.70-653,238,121.05-290,373,258.30

Finding the Fourth Proportional to 435,492,080.70, 653,238,121.05 and 290,373,258.30

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Solution

The fourth proportional to 435,492,080.70, 653,238,121.05 and 290,373,258.30 is: 435,559,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,492,080.70 : 653,238,121.05 = 290,373,258.30 : x
  2. Step 2: Convert to fraction form
    435,492,080.70/653,238,121.05 = 290,373,258.30/x
  3. Step 3: Cross multiply
    435,492,080.70x = 653,238,121.05 × 290,373,258.30
  4. Step 4: Simplify right side
    435,492,080.70x = 189,682,881,655,058,304
  5. Step 5: Solve for x
    x = 189,682,881,655,058,304/435,492,080.70
  6. Step 6: Final answer
    x = 435,559,887.45

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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.