Home / 20,111,974,008.76-30,157,485,855.85-9,485,345,068.03

Finding the Fourth Proportional to 20,111,974,008.76, 30,157,485,855.85 and 9,485,345,068.03

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Solution

The fourth proportional to 20,111,974,008.76, 30,157,485,855.85 and 9,485,345,068.03 is: 14,223,077,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,974,008.76 : 30,157,485,855.85 = 9,485,345,068.03 : x
  2. Step 2: Convert to fraction form
    20,111,974,008.76/30,157,485,855.85 = 9,485,345,068.03/x
  3. Step 3: Cross multiply
    20,111,974,008.76x = 30,157,485,855.85 × 9,485,345,068.03
  4. Step 4: Simplify right side
    20,111,974,008.76x = 286,054,159,726,773,075,968
  5. Step 5: Solve for x
    x = 286,054,159,726,773,075,968/20,111,974,008.76
  6. Step 6: Final answer
    x = 14,223,077,237.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.