Home / 31,785,111,021.72-47,676,081,668.58-11,886,535,533.72

Finding the Fourth Proportional to 31,785,111,021.72, 47,676,081,668.58 and 11,886,535,533.72

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Solution

The fourth proportional to 31,785,111,021.72, 47,676,081,668.58 and 11,886,535,533.72 is: 17,829,210,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,785,111,021.72 : 47,676,081,668.58 = 11,886,535,533.72 : x
  2. Step 2: Convert to fraction form
    31,785,111,021.72/47,676,081,668.58 = 11,886,535,533.72/x
  3. Step 3: Cross multiply
    31,785,111,021.72x = 47,676,081,668.58 × 11,886,535,533.72
  4. Step 4: Simplify right side
    31,785,111,021.72x = 566,703,438,862,112,849,920
  5. Step 5: Solve for x
    x = 566,703,438,862,112,849,920/31,785,111,021.72
  6. Step 6: Final answer
    x = 17,829,210,616.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.