Home / 12,636,749,502.72-17,439,262,486.84-6,997,965,354.23

Finding the Fourth Proportional to 12,636,749,502.72, 17,439,262,486.84 and 6,997,965,354.23

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Solution

The fourth proportional to 12,636,749,502.72, 17,439,262,486.84 and 6,997,965,354.23 is: 9,657,495,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636,749,502.72 : 17,439,262,486.84 = 6,997,965,354.23 : x
  2. Step 2: Convert to fraction form
    12,636,749,502.72/17,439,262,486.84 = 6,997,965,354.23/x
  3. Step 3: Cross multiply
    12,636,749,502.72x = 17,439,262,486.84 × 6,997,965,354.23
  4. Step 4: Simplify right side
    12,636,749,502.72x = 122,039,354,686,173,364,224
  5. Step 5: Solve for x
    x = 122,039,354,686,173,364,224/12,636,749,502.72
  6. Step 6: Final answer
    x = 9,657,495,755.53

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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.