Home / 1,157,166,719.84-1,596,903,014.16-680,962,368.64

Finding the Fourth Proportional to 1,157,166,719.84, 1,596,903,014.16 and 680,962,368.64

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Solution

The fourth proportional to 1,157,166,719.84, 1,596,903,014.16 and 680,962,368.64 is: 939,735,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,166,719.84 : 1,596,903,014.16 = 680,962,368.64 : x
  2. Step 2: Convert to fraction form
    1,157,166,719.84/1,596,903,014.16 = 680,962,368.64/x
  3. Step 3: Cross multiply
    1,157,166,719.84x = 1,596,903,014.16 × 680,962,368.64
  4. Step 4: Simplify right side
    1,157,166,719.84x = 1,087,430,859,010,749,056
  5. Step 5: Solve for x
    x = 1,087,430,859,010,749,056/1,157,166,719.84
  6. Step 6: Final answer
    x = 939,735,684.03

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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.