Home / 1,977,934,418,296.40-2,967,119,305,678.20-721,931,010,424.40

Finding the Fourth Proportional to 1,977,934,418,296.40, 2,967,119,305,678.20 and 721,931,010,424.40

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Solution

The fourth proportional to 1,977,934,418,296.40, 2,967,119,305,678.20 and 721,931,010,424.40 is: 1,082,975,966,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,934,418,296.40 : 2,967,119,305,678.20 = 721,931,010,424.40 : x
  2. Step 2: Convert to fraction form
    1,977,934,418,296.40/2,967,119,305,678.20 = 721,931,010,424.40/x
  3. Step 3: Cross multiply
    1,977,934,418,296.40x = 2,967,119,305,678.20 × 721,931,010,424.40
  4. Step 4: Simplify right side
    1,977,934,418,296.40x = 2,142,055,438,398,007,357,210,624
  5. Step 5: Solve for x
    x = 2,142,055,438,398,007,357,210,624/1,977,934,418,296.40
  6. Step 6: Final answer
    x = 1,082,975,966,535.31

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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.