Home / 947,413,106.92-1,307,029,738.98-634,248,217.72

Finding the Fourth Proportional to 947,413,106.92, 1,307,029,738.98 and 634,248,217.72

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Solution

The fourth proportional to 947,413,106.92, 1,307,029,738.98 and 634,248,217.72 is: 874,994,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,413,106.92 : 1,307,029,738.98 = 634,248,217.72 : x
  2. Step 2: Convert to fraction form
    947,413,106.92/1,307,029,738.98 = 634,248,217.72/x
  3. Step 3: Cross multiply
    947,413,106.92x = 1,307,029,738.98 × 634,248,217.72
  4. Step 4: Simplify right side
    947,413,106.92x = 828,981,282,455,101,824
  5. Step 5: Solve for x
    x = 828,981,282,455,101,824/947,413,106.92
  6. Step 6: Final answer
    x = 874,994,526.04

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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.