Home / 15,323,525,971.20-21,146,456,486.40-8,282,995,603.20

Finding the Fourth Proportional to 15,323,525,971.20, 21,146,456,486.40 and 8,282,995,603.20

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Solution

The fourth proportional to 15,323,525,971.20, 21,146,456,486.40 and 8,282,995,603.20 is: 11,430,528,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323,525,971.20 : 21,146,456,486.40 = 8,282,995,603.20 : x
  2. Step 2: Convert to fraction form
    15,323,525,971.20/21,146,456,486.40 = 8,282,995,603.20/x
  3. Step 3: Cross multiply
    15,323,525,971.20x = 21,146,456,486.40 × 8,282,995,603.20
  4. Step 4: Simplify right side
    15,323,525,971.20x = 175,156,006,100,111,327,232
  5. Step 5: Solve for x
    x = 175,156,006,100,111,327,232/15,323,525,971.20
  6. Step 6: Final answer
    x = 11,430,528,876.27

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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.