Home / 1,042,939,266.14-1,564,409,461.04-387,805,166.33

Finding the Fourth Proportional to 1,042,939,266.14, 1,564,409,461.04 and 387,805,166.33

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Solution

The fourth proportional to 1,042,939,266.14, 1,564,409,461.04 and 387,805,166.33 is: 581,707,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,939,266.14 : 1,564,409,461.04 = 387,805,166.33 : x
  2. Step 2: Convert to fraction form
    1,042,939,266.14/1,564,409,461.04 = 387,805,166.33/x
  3. Step 3: Cross multiply
    1,042,939,266.14x = 1,564,409,461.04 × 387,805,166.33
  4. Step 4: Simplify right side
    1,042,939,266.14x = 606,686,071,237,081,856
  5. Step 5: Solve for x
    x = 606,686,071,237,081,856/1,042,939,266.14
  6. Step 6: Final answer
    x = 581,707,958.40

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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.