Home / 12,636,749,503.26-17,439,262,487.60-6,997,965,354.77

Finding the Fourth Proportional to 12,636,749,503.26, 17,439,262,487.60 and 6,997,965,354.77

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Solution

The fourth proportional to 12,636,749,503.26, 17,439,262,487.60 and 6,997,965,354.77 is: 9,657,495,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636,749,503.26 : 17,439,262,487.60 = 6,997,965,354.77 : x
  2. Step 2: Convert to fraction form
    12,636,749,503.26/17,439,262,487.60 = 6,997,965,354.77/x
  3. Step 3: Cross multiply
    12,636,749,503.26x = 17,439,262,487.60 × 6,997,965,354.77
  4. Step 4: Simplify right side
    12,636,749,503.26x = 122,039,354,700,842,713,088
  5. Step 5: Solve for x
    x = 122,039,354,700,842,713,088/12,636,749,503.26
  6. Step 6: Final answer
    x = 9,657,495,756.27

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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.