Home / 867,384,926.70-1,195,835,102.32-689,363,263.38

Finding the Fourth Proportional to 867,384,926.70, 1,195,835,102.32 and 689,363,263.38

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Solution

The fourth proportional to 867,384,926.70, 1,195,835,102.32 and 689,363,263.38 is: 950,402,483.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,384,926.70 : 1,195,835,102.32 = 689,363,263.38 : x
  2. Step 2: Convert to fraction form
    867,384,926.70/1,195,835,102.32 = 689,363,263.38/x
  3. Step 3: Cross multiply
    867,384,926.70x = 1,195,835,102.32 × 689,363,263.38
  4. Step 4: Simplify right side
    867,384,926.70x = 824,364,788,599,671,296
  5. Step 5: Solve for x
    x = 824,364,788,599,671,296/867,384,926.70
  6. Step 6: Final answer
    x = 950,402,483.63

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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.