Home / 314,134,276.87-433,500,012.77-173,018,638.37

Finding the Fourth Proportional to 314,134,276.87, 433,500,012.77 and 173,018,638.37

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Solution

The fourth proportional to 314,134,276.87, 433,500,012.77 and 173,018,638.37 is: 238,762,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,134,276.87 : 433,500,012.77 = 173,018,638.37 : x
  2. Step 2: Convert to fraction form
    314,134,276.87/433,500,012.77 = 173,018,638.37/x
  3. Step 3: Cross multiply
    314,134,276.87x = 433,500,012.77 × 173,018,638.37
  4. Step 4: Simplify right side
    314,134,276.87x = 75,003,581,944,283,184
  5. Step 5: Solve for x
    x = 75,003,581,944,283,184/314,134,276.87
  6. Step 6: Final answer
    x = 238,762,807.71

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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.