Home / 13,980,043,520.74-19,292,459,320.71-7,549,862,881.55

Finding the Fourth Proportional to 13,980,043,520.74, 19,292,459,320.71 and 7,549,862,881.55

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Solution

The fourth proportional to 13,980,043,520.74, 19,292,459,320.71 and 7,549,862,881.55 is: 10,418,810,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,043,520.74 : 19,292,459,320.71 = 7,549,862,881.55 : x
  2. Step 2: Convert to fraction form
    13,980,043,520.74/19,292,459,320.71 = 7,549,862,881.55/x
  3. Step 3: Cross multiply
    13,980,043,520.74x = 19,292,459,320.71 × 7,549,862,881.55
  4. Step 4: Simplify right side
    13,980,043,520.74x = 145,655,422,519,241,752,576
  5. Step 5: Solve for x
    x = 145,655,422,519,241,752,576/13,980,043,520.74
  6. Step 6: Final answer
    x = 10,418,810,378.03

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1.5x scale

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.