Home / 1,947,947,495.85-2,688,095,525.67-1,055,855,068.35

Finding the Fourth Proportional to 1,947,947,495.85, 2,688,095,525.67 and 1,055,855,068.35

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Solution

The fourth proportional to 1,947,947,495.85, 2,688,095,525.67 and 1,055,855,068.35 is: 1,457,040,957.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,947,495.85 : 2,688,095,525.67 = 1,055,855,068.35 : x
  2. Step 2: Convert to fraction form
    1,947,947,495.85/2,688,095,525.67 = 1,055,855,068.35/x
  3. Step 3: Cross multiply
    1,947,947,495.85x = 2,688,095,525.67 × 1,055,855,068.35
  4. Step 4: Simplify right side
    1,947,947,495.85x = 2,838,239,284,987,627,008
  5. Step 5: Solve for x
    x = 2,838,239,284,987,627,008/1,947,947,495.85
  6. Step 6: Final answer
    x = 1,457,040,957.74

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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.