Home / 731,950,788.63-1,010,109,637.59-397,437,410.19

Finding the Fourth Proportional to 731,950,788.63, 1,010,109,637.59 and 397,437,410.19

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Solution

The fourth proportional to 731,950,788.63, 1,010,109,637.59 and 397,437,410.19 is: 548,473,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,950,788.63 : 1,010,109,637.59 = 397,437,410.19 : x
  2. Step 2: Convert to fraction form
    731,950,788.63/1,010,109,637.59 = 397,437,410.19/x
  3. Step 3: Cross multiply
    731,950,788.63x = 1,010,109,637.59 × 397,437,410.19
  4. Step 4: Simplify right side
    731,950,788.63x = 401,455,358,371,729,088
  5. Step 5: Solve for x
    x = 401,455,358,371,729,088/731,950,788.63
  6. Step 6: Final answer
    x = 548,473,155.04

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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.