Home / 776,088,812.60-1,164,294,959.70-258,679,993.40

Finding the Fourth Proportional to 776,088,812.60, 1,164,294,959.70 and 258,679,993.40

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Solution

The fourth proportional to 776,088,812.60, 1,164,294,959.70 and 258,679,993.40 is: 388,073,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,088,812.60 : 1,164,294,959.70 = 258,679,993.40 : x
  2. Step 2: Convert to fraction form
    776,088,812.60/1,164,294,959.70 = 258,679,993.40/x
  3. Step 3: Cross multiply
    776,088,812.60x = 1,164,294,959.70 × 258,679,993.40
  4. Step 4: Simplify right side
    776,088,812.60x = 301,179,812,490,849,280
  5. Step 5: Solve for x
    x = 301,179,812,490,849,280/776,088,812.60
  6. Step 6: Final answer
    x = 388,073,900.31

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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.