Home / 756,055,823.80-1,134,083,735.70-710,139,321.40

Finding the Fourth Proportional to 756,055,823.80, 1,134,083,735.70 and 710,139,321.40

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Solution

The fourth proportional to 756,055,823.80, 1,134,083,735.70 and 710,139,321.40 is: 1,065,208,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,055,823.80 : 1,134,083,735.70 = 710,139,321.40 : x
  2. Step 2: Convert to fraction form
    756,055,823.80/1,134,083,735.70 = 710,139,321.40/x
  3. Step 3: Cross multiply
    756,055,823.80x = 1,134,083,735.70 × 710,139,321.40
  4. Step 4: Simplify right side
    756,055,823.80x = 805,357,454,480,774,912
  5. Step 5: Solve for x
    x = 805,357,454,480,774,912/756,055,823.80
  6. Step 6: Final answer
    x = 1,065,208,982.10

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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.