Home / 993,329,363,293.91-1,371,049,571,115.40-646,962,756,594.21

Finding the Fourth Proportional to 993,329,363,293.91, 1,371,049,571,115.40 and 646,962,756,594.21

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Solution

The fourth proportional to 993,329,363,293.91, 1,371,049,571,115.40 and 646,962,756,594.21 is: 892,974,719,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,329,363,293.91 : 1,371,049,571,115.40 = 646,962,756,594.21 : x
  2. Step 2: Convert to fraction form
    993,329,363,293.91/1,371,049,571,115.40 = 646,962,756,594.21/x
  3. Step 3: Cross multiply
    993,329,363,293.91x = 1,371,049,571,115.40 × 646,962,756,594.21
  4. Step 4: Simplify right side
    993,329,363,293.91x = 887,018,009,956,128,366,002,176
  5. Step 5: Solve for x
    x = 887,018,009,956,128,366,002,176/993,329,363,293.91
  6. Step 6: Final answer
    x = 892,974,719,900.31

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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.