Home / 313,539,960-432,686,827.23-172,420,280.37

Finding the Fourth Proportional to 313,539,960, 432,686,827.23 and 172,420,280.37

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Solution

The fourth proportional to 313,539,960, 432,686,827.23 and 172,420,280.37 is: 237,940,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,539,960 : 432,686,827.23 = 172,420,280.37 : x
  2. Step 2: Convert to fraction form
    313,539,960/432,686,827.23 = 172,420,280.37/x
  3. Step 3: Cross multiply
    313,539,960x = 432,686,827.23 × 172,420,280.37
  4. Step 4: Simplify right side
    313,539,960x = 74,603,984,063,402,352
  5. Step 5: Solve for x
    x = 74,603,984,063,402,352/313,539,960
  6. Step 6: Final answer
    x = 237,940,912.10

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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.