Home / 13,270,119,437.83-18,312,764,123.76-7,166,471,409.22

Finding the Fourth Proportional to 13,270,119,437.83, 18,312,764,123.76 and 7,166,471,409.22

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Solution

The fourth proportional to 13,270,119,437.83, 18,312,764,123.76 and 7,166,471,409.22 is: 9,889,730,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,119,437.83 : 18,312,764,123.76 = 7,166,471,409.22 : x
  2. Step 2: Convert to fraction form
    13,270,119,437.83/18,312,764,123.76 = 7,166,471,409.22/x
  3. Step 3: Cross multiply
    13,270,119,437.83x = 18,312,764,123.76 × 7,166,471,409.22
  4. Step 4: Simplify right side
    13,270,119,437.83x = 131,237,900,516,808,556,544
  5. Step 5: Solve for x
    x = 131,237,900,516,808,556,544/13,270,119,437.83
  6. Step 6: Final answer
    x = 9,889,730,166.46

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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.