Home / 1,402,223,221.19-1,935,113,916.11-767,128,979.88

Finding the Fourth Proportional to 1,402,223,221.19, 1,935,113,916.11 and 767,128,979.88

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Solution

The fourth proportional to 1,402,223,221.19, 1,935,113,916.11 and 767,128,979.88 is: 1,058,663,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,223,221.19 : 1,935,113,916.11 = 767,128,979.88 : x
  2. Step 2: Convert to fraction form
    1,402,223,221.19/1,935,113,916.11 = 767,128,979.88/x
  3. Step 3: Cross multiply
    1,402,223,221.19x = 1,935,113,916.11 × 767,128,979.88
  4. Step 4: Simplify right side
    1,402,223,221.19x = 1,484,481,964,427,394,560
  5. Step 5: Solve for x
    x = 1,484,481,964,427,394,560/1,402,223,221.19
  6. Step 6: Final answer
    x = 1,058,663,087.30

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Half scale
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Double scale
Find fourth proportional to 1,402,223,222.19, 1,935,113,917.49 and 767,128,980.88
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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.