Home / 911,384,888.37-1,257,913,477.47-554,076,741.61

Finding the Fourth Proportional to 911,384,888.37, 1,257,913,477.47 and 554,076,741.61

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Solution

The fourth proportional to 911,384,888.37, 1,257,913,477.47 and 554,076,741.61 is: 764,748,910.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,384,888.37 : 1,257,913,477.47 = 554,076,741.61 : x
  2. Step 2: Convert to fraction form
    911,384,888.37/1,257,913,477.47 = 554,076,741.61/x
  3. Step 3: Cross multiply
    911,384,888.37x = 1,257,913,477.47 × 554,076,741.61
  4. Step 4: Simplify right side
    911,384,888.37x = 696,980,600,823,881,728
  5. Step 5: Solve for x
    x = 696,980,600,823,881,728/911,384,888.37
  6. Step 6: Final answer
    x = 764,748,910.94

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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.