Home / 1,557,041,868.27-2,148,710,044.59-842,576,918.13

Finding the Fourth Proportional to 1,557,041,868.27, 2,148,710,044.59 and 842,576,918.13

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Solution

The fourth proportional to 1,557,041,868.27, 2,148,710,044.59 and 842,576,918.13 is: 1,162,751,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,041,868.27 : 2,148,710,044.59 = 842,576,918.13 : x
  2. Step 2: Convert to fraction form
    1,557,041,868.27/2,148,710,044.59 = 842,576,918.13/x
  3. Step 3: Cross multiply
    1,557,041,868.27x = 2,148,710,044.59 × 842,576,918.13
  4. Step 4: Simplify right side
    1,557,041,868.27x = 1,810,453,487,325,617,152
  5. Step 5: Solve for x
    x = 1,810,453,487,325,617,152/1,557,041,868.27
  6. Step 6: Final answer
    x = 1,162,751,962.05

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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.