Home / 985,636,285.50-1,479,907,801.80-549,788,530.62

Finding the Fourth Proportional to 985,636,285.50, 1,479,907,801.80 and 549,788,530.62

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Solution

The fourth proportional to 985,636,285.50, 1,479,907,801.80 and 549,788,530.62 is: 825,493,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,636,285.50 : 1,479,907,801.80 = 549,788,530.62 : x
  2. Step 2: Convert to fraction form
    985,636,285.50/1,479,907,801.80 = 549,788,530.62/x
  3. Step 3: Cross multiply
    985,636,285.50x = 1,479,907,801.80 × 549,788,530.62
  4. Step 4: Simplify right side
    985,636,285.50x = 813,636,335,804,696,192
  5. Step 5: Solve for x
    x = 813,636,335,804,696,192/985,636,285.50
  6. Step 6: Final answer
    x = 825,493,488.60

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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.