Home / 406,335,528.81-560,739,946.19-220,697,873.10

Finding the Fourth Proportional to 406,335,528.81, 560,739,946.19 and 220,697,873.10

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Solution

The fourth proportional to 406,335,528.81, 560,739,946.19 and 220,697,873.10 is: 304,561,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,335,528.81 : 560,739,946.19 = 220,697,873.10 : x
  2. Step 2: Convert to fraction form
    406,335,528.81/560,739,946.19 = 220,697,873.10/x
  3. Step 3: Cross multiply
    406,335,528.81x = 560,739,946.19 × 220,697,873.10
  4. Step 4: Simplify right side
    406,335,528.81x = 123,754,113,485,237,936
  5. Step 5: Solve for x
    x = 123,754,113,485,237,936/406,335,528.81
  6. Step 6: Final answer
    x = 304,561,390.06

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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.