Home / 15,551,019,491.36-21,452,500,738.63-9,445,747,393.35

Finding the Fourth Proportional to 15,551,019,491.36, 21,452,500,738.63 and 9,445,747,393.35

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Solution

The fourth proportional to 15,551,019,491.36, 21,452,500,738.63 and 9,445,747,393.35 is: 13,030,329,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551,019,491.36 : 21,452,500,738.63 = 9,445,747,393.35 : x
  2. Step 2: Convert to fraction form
    15,551,019,491.36/21,452,500,738.63 = 9,445,747,393.35/x
  3. Step 3: Cross multiply
    15,551,019,491.36x = 21,452,500,738.63 × 9,445,747,393.35
  4. Step 4: Simplify right side
    15,551,019,491.36x = 202,634,902,932,772,159,488
  5. Step 5: Solve for x
    x = 202,634,902,932,772,159,488/15,551,019,491.36
  6. Step 6: Final answer
    x = 13,030,329,172.01

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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.