Home / 30,298,699,801.80-45,448,049,702.70-28,232,457,193.80

Finding the Fourth Proportional to 30,298,699,801.80, 45,448,049,702.70 and 28,232,457,193.80

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Solution

The fourth proportional to 30,298,699,801.80, 45,448,049,702.70 and 28,232,457,193.80 is: 42,348,685,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298,699,801.80 : 45,448,049,702.70 = 28,232,457,193.80 : x
  2. Step 2: Convert to fraction form
    30,298,699,801.80/45,448,049,702.70 = 28,232,457,193.80/x
  3. Step 3: Cross multiply
    30,298,699,801.80x = 45,448,049,702.70 × 28,232,457,193.80
  4. Step 4: Simplify right side
    30,298,699,801.80x = 1,283,110,117,773,172,539,392
  5. Step 5: Solve for x
    x = 1,283,110,117,773,172,539,392/30,298,699,801.80
  6. Step 6: Final answer
    x = 42,348,685,790.70

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Double scale
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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.