Home / 1,138,900,976.04-1,708,001,720.84-401,798,501.28

Finding the Fourth Proportional to 1,138,900,976.04, 1,708,001,720.84 and 401,798,501.28

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Solution

The fourth proportional to 1,138,900,976.04, 1,708,001,720.84 and 401,798,501.28 is: 602,574,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,900,976.04 : 1,708,001,720.84 = 401,798,501.28 : x
  2. Step 2: Convert to fraction form
    1,138,900,976.04/1,708,001,720.84 = 401,798,501.28/x
  3. Step 3: Cross multiply
    1,138,900,976.04x = 1,708,001,720.84 × 401,798,501.28
  4. Step 4: Simplify right side
    1,138,900,976.04x = 686,272,531,617,172,864
  5. Step 5: Solve for x
    x = 686,272,531,617,172,864/1,138,900,976.04
  6. Step 6: Final answer
    x = 602,574,364.28

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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.