Home / 776,673,087.40-1,165,457,528.70-292,346,482.60

Finding the Fourth Proportional to 776,673,087.40, 1,165,457,528.70 and 292,346,482.60

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Solution

The fourth proportional to 776,673,087.40, 1,165,457,528.70 and 292,346,482.60 is: 438,688,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,673,087.40 : 1,165,457,528.70 = 292,346,482.60 : x
  2. Step 2: Convert to fraction form
    776,673,087.40/1,165,457,528.70 = 292,346,482.60/x
  3. Step 3: Cross multiply
    776,673,087.40x = 1,165,457,528.70 × 292,346,482.60
  4. Step 4: Simplify right side
    776,673,087.40x = 340,717,409,135,133,568
  5. Step 5: Solve for x
    x = 340,717,409,135,133,568/776,673,087.40
  6. Step 6: Final answer
    x = 438,688,316.44

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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.