Home / 1,006,456,804.63-1,388,897,148.51-554,326,091.17

Finding the Fourth Proportional to 1,006,456,804.63, 1,388,897,148.51 and 554,326,091.17

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Solution

The fourth proportional to 1,006,456,804.63, 1,388,897,148.51 and 554,326,091.17 is: 764,962,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,456,804.63 : 1,388,897,148.51 = 554,326,091.17 : x
  2. Step 2: Convert to fraction form
    1,006,456,804.63/1,388,897,148.51 = 554,326,091.17/x
  3. Step 3: Cross multiply
    1,006,456,804.63x = 1,388,897,148.51 × 554,326,091.17
  4. Step 4: Simplify right side
    1,006,456,804.63x = 769,901,927,370,707,200
  5. Step 5: Solve for x
    x = 769,901,927,370,707,200/1,006,456,804.63
  6. Step 6: Final answer
    x = 764,962,712.59

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Double scale
Find fourth proportional to 1,006,456,805.63, 1,388,897,149.89 and 554,326,092.17
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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.