Home / 435,492,038.70-653,238,058.05-217,813,805.10

Finding the Fourth Proportional to 435,492,038.70, 653,238,058.05 and 217,813,805.10

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Solution

The fourth proportional to 435,492,038.70, 653,238,058.05 and 217,813,805.10 is: 326,720,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,492,038.70 : 653,238,058.05 = 217,813,805.10 : x
  2. Step 2: Convert to fraction form
    435,492,038.70/653,238,058.05 = 217,813,805.10/x
  3. Step 3: Cross multiply
    435,492,038.70x = 653,238,058.05 × 217,813,805.10
  4. Step 4: Simplify right side
    435,492,038.70x = 142,284,267,060,005,168
  5. Step 5: Solve for x
    x = 142,284,267,060,005,168/435,492,038.70
  6. Step 6: Final answer
    x = 326,720,707.65

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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.