Home / 776,673,027.40-1,165,457,438.70-292,346,422.60

Finding the Fourth Proportional to 776,673,027.40, 1,165,457,438.70 and 292,346,422.60

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Solution

The fourth proportional to 776,673,027.40, 1,165,457,438.70 and 292,346,422.60 is: 438,688,226.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,673,027.40 : 1,165,457,438.70 = 292,346,422.60 : x
  2. Step 2: Convert to fraction form
    776,673,027.40/1,165,457,438.70 = 292,346,422.60/x
  3. Step 3: Cross multiply
    776,673,027.40x = 1,165,457,438.70 × 292,346,422.60
  4. Step 4: Simplify right side
    776,673,027.40x = 340,717,312,896,503,808
  5. Step 5: Solve for x
    x = 340,717,312,896,503,808/776,673,027.40
  6. Step 6: Final answer
    x = 438,688,226.42

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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.