Home / 1,021,584,935.51-1,409,787,202.69-551,686,214.95

Finding the Fourth Proportional to 1,021,584,935.51, 1,409,787,202.69 and 551,686,214.95

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Solution

The fourth proportional to 1,021,584,935.51, 1,409,787,202.69 and 551,686,214.95 is: 761,326,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,584,935.51 : 1,409,787,202.69 = 551,686,214.95 : x
  2. Step 2: Convert to fraction form
    1,021,584,935.51/1,409,787,202.69 = 551,686,214.95/x
  3. Step 3: Cross multiply
    1,021,584,935.51x = 1,409,787,202.69 × 551,686,214.95
  4. Step 4: Simplify right side
    1,021,584,935.51x = 777,760,165,736,994,688
  5. Step 5: Solve for x
    x = 777,760,165,736,994,688/1,021,584,935.51
  6. Step 6: Final answer
    x = 761,326,972.14

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Double scale
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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.