Home / 731,703,110.40-1,008,354,826.80-718,254,110.16

Finding the Fourth Proportional to 731,703,110.40, 1,008,354,826.80 and 718,254,110.16

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Solution

The fourth proportional to 731,703,110.40, 1,008,354,826.80 and 718,254,110.16 is: 989,820,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,703,110.40 : 1,008,354,826.80 = 718,254,110.16 : x
  2. Step 2: Convert to fraction form
    731,703,110.40/1,008,354,826.80 = 718,254,110.16/x
  3. Step 3: Cross multiply
    731,703,110.40x = 1,008,354,826.80 × 718,254,110.16
  4. Step 4: Simplify right side
    731,703,110.40x = 724,254,998,848,774,912
  5. Step 5: Solve for x
    x = 724,254,998,848,774,912/731,703,110.40
  6. Step 6: Final answer
    x = 989,820,855.69

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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.