Home / 586,756,653.30-809,547,603.93-351,721,556.64

Finding the Fourth Proportional to 586,756,653.30, 809,547,603.93 and 351,721,556.64

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Solution

The fourth proportional to 586,756,653.30, 809,547,603.93 and 351,721,556.64 is: 485,269,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,756,653.30 : 809,547,603.93 = 351,721,556.64 : x
  2. Step 2: Convert to fraction form
    586,756,653.30/809,547,603.93 = 351,721,556.64/x
  3. Step 3: Cross multiply
    586,756,653.30x = 809,547,603.93 × 351,721,556.64
  4. Step 4: Simplify right side
    586,756,653.30x = 284,735,343,428,441,760
  5. Step 5: Solve for x
    x = 284,735,343,428,441,760/586,756,653.30
  6. Step 6: Final answer
    x = 485,269,901.63

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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.