Home / 66,260,628,666.54-99,404,903,769.57-21,488,634,303.42

Finding the Fourth Proportional to 66,260,628,666.54, 99,404,903,769.57 and 21,488,634,303.42

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Solution

The fourth proportional to 66,260,628,666.54, 99,404,903,769.57 and 21,488,634,303.42 is: 32,237,478,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,260,628,666.54 : 99,404,903,769.57 = 21,488,634,303.42 : x
  2. Step 2: Convert to fraction form
    66,260,628,666.54/99,404,903,769.57 = 21,488,634,303.42/x
  3. Step 3: Cross multiply
    66,260,628,666.54x = 99,404,903,769.57 × 21,488,634,303.42
  4. Step 4: Simplify right side
    66,260,628,666.54x = 2,136,075,625,070,945,894,400
  5. Step 5: Solve for x
    x = 2,136,075,625,070,945,894,400/66,260,628,666.54
  6. Step 6: Final answer
    x = 32,237,478,998.59

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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.