Home / 9,419,918,970.24-12,999,575,349.09-5,190,982,191

Finding the Fourth Proportional to 9,419,918,970.24, 12,999,575,349.09 and 5,190,982,191

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Solution

The fourth proportional to 9,419,918,970.24, 12,999,575,349.09 and 5,190,982,191 is: 7,163,603,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419,918,970.24 : 12,999,575,349.09 = 5,190,982,191 : x
  2. Step 2: Convert to fraction form
    9,419,918,970.24/12,999,575,349.09 = 5,190,982,191/x
  3. Step 3: Cross multiply
    9,419,918,970.24x = 12,999,575,349.09 × 5,190,982,191
  4. Step 4: Simplify right side
    9,419,918,970.24x = 67,480,564,127,688,802,304
  5. Step 5: Solve for x
    x = 67,480,564,127,688,802,304/9,419,918,970.24
  6. Step 6: Final answer
    x = 7,163,603,459.95

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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.