Home / 10,387,533,396.48-14,326,437,646.08-9,131,785,290.24

Finding the Fourth Proportional to 10,387,533,396.48, 14,326,437,646.08 and 9,131,785,290.24

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Solution

The fourth proportional to 10,387,533,396.48, 14,326,437,646.08 and 9,131,785,290.24 is: 12,594,515,710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387,533,396.48 : 14,326,437,646.08 = 9,131,785,290.24 : x
  2. Step 2: Convert to fraction form
    10,387,533,396.48/14,326,437,646.08 = 9,131,785,290.24/x
  3. Step 3: Cross multiply
    10,387,533,396.48x = 14,326,437,646.08 × 9,131,785,290.24
  4. Step 4: Simplify right side
    10,387,533,396.48x = 130,825,952,558,013,906,944
  5. Step 5: Solve for x
    x = 130,825,952,558,013,906,944/10,387,533,396.48
  6. Step 6: Final answer
    x = 12,594,515,710.76

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Double scale
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1.5x scale

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.