Home / 1,105,199,510.36-1,525,863,636.66-703,539,890.12

Finding the Fourth Proportional to 1,105,199,510.36, 1,525,863,636.66 and 703,539,890.12

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Solution

The fourth proportional to 1,105,199,510.36, 1,525,863,636.66 and 703,539,890.12 is: 971,323,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,199,510.36 : 1,525,863,636.66 = 703,539,890.12 : x
  2. Step 2: Convert to fraction form
    1,105,199,510.36/1,525,863,636.66 = 703,539,890.12/x
  3. Step 3: Cross multiply
    1,105,199,510.36x = 1,525,863,636.66 × 703,539,890.12
  4. Step 4: Simplify right side
    1,105,199,510.36x = 1,073,505,935,273,880,064
  5. Step 5: Solve for x
    x = 1,073,505,935,273,880,064/1,105,199,510.36
  6. Step 6: Final answer
    x = 971,323,209.26

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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.