Home / 308,477,484,711.48-462,504,986,346.42-157,090,744,417.08

Finding the Fourth Proportional to 308,477,484,711.48, 462,504,986,346.42 and 157,090,744,417.08

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Solution

The fourth proportional to 308,477,484,711.48, 462,504,986,346.42 and 157,090,744,417.08 is: 235,528,543,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,477,484,711.48 : 462,504,986,346.42 = 157,090,744,417.08 : x
  2. Step 2: Convert to fraction form
    308,477,484,711.48/462,504,986,346.42 = 157,090,744,417.08/x
  3. Step 3: Cross multiply
    308,477,484,711.48x = 462,504,986,346.42 × 157,090,744,417.08
  4. Step 4: Simplify right side
    308,477,484,711.48x = 72,655,252,601,770,531,094,528
  5. Step 5: Solve for x
    x = 72,655,252,601,770,531,094,528/308,477,484,711.48
  6. Step 6: Final answer
    x = 235,528,543,257.30

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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.