Home / 1,201,488,977,007.30-1,802,233,465,511-406,502,133,579.30

Finding the Fourth Proportional to 1,201,488,977,007.30, 1,802,233,465,511 and 406,502,133,579.30

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Solution

The fourth proportional to 1,201,488,977,007.30, 1,802,233,465,511 and 406,502,133,579.30 is: 609,753,200,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,488,977,007.30 : 1,802,233,465,511 = 406,502,133,579.30 : x
  2. Step 2: Convert to fraction form
    1,201,488,977,007.30/1,802,233,465,511 = 406,502,133,579.30/x
  3. Step 3: Cross multiply
    1,201,488,977,007.30x = 1,802,233,465,511 × 406,502,133,579.30
  4. Step 4: Simplify right side
    1,201,488,977,007.30x = 732,611,748,938,237,196,894,208
  5. Step 5: Solve for x
    x = 732,611,748,938,237,196,894,208/1,201,488,977,007.30
  6. Step 6: Final answer
    x = 609,753,200,368.97

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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.