Home / 1,947,947,211.63-2,688,095,134.91-1,055,854,784.68

Finding the Fourth Proportional to 1,947,947,211.63, 2,688,095,134.91 and 1,055,854,784.68

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Solution

The fourth proportional to 1,947,947,211.63, 2,688,095,134.91 and 1,055,854,784.68 is: 1,457,040,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,947,211.63 : 2,688,095,134.91 = 1,055,854,784.68 : x
  2. Step 2: Convert to fraction form
    1,947,947,211.63/2,688,095,134.91 = 1,055,854,784.68/x
  3. Step 3: Cross multiply
    1,947,947,211.63x = 2,688,095,134.91 × 1,055,854,784.68
  4. Step 4: Simplify right side
    1,947,947,211.63x = 2,838,238,109,865,672,704
  5. Step 5: Solve for x
    x = 2,838,238,109,865,672,704/1,947,947,211.63
  6. Step 6: Final answer
    x = 1,457,040,567.08

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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.