Home / 1,138,526,901,678.10-1,571,196,032,618.80-624,692,559,968.36

Finding the Fourth Proportional to 1,138,526,901,678.10, 1,571,196,032,618.80 and 624,692,559,968.36

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Solution

The fourth proportional to 1,138,526,901,678.10, 1,571,196,032,618.80 and 624,692,559,968.36 is: 862,091,594,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,526,901,678.10 : 1,571,196,032,618.80 = 624,692,559,968.36 : x
  2. Step 2: Convert to fraction form
    1,138,526,901,678.10/1,571,196,032,618.80 = 624,692,559,968.36/x
  3. Step 3: Cross multiply
    1,138,526,901,678.10x = 1,571,196,032,618.80 × 624,692,559,968.36
  4. Step 4: Simplify right side
    1,138,526,901,678.10x = 981,514,471,828,769,050,984,448
  5. Step 5: Solve for x
    x = 981,514,471,828,769,050,984,448/1,138,526,901,678.10
  6. Step 6: Final answer
    x = 862,091,594,306.73

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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.