Home / 469,645,295.61-648,118,313.84-257,971,698.93

Finding the Fourth Proportional to 469,645,295.61, 648,118,313.84 and 257,971,698.93

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Solution

The fourth proportional to 469,645,295.61, 648,118,313.84 and 257,971,698.93 is: 356,005,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,645,295.61 : 648,118,313.84 = 257,971,698.93 : x
  2. Step 2: Convert to fraction form
    469,645,295.61/648,118,313.84 = 257,971,698.93/x
  3. Step 3: Cross multiply
    469,645,295.61x = 648,118,313.84 × 257,971,698.93
  4. Step 4: Simplify right side
    469,645,295.61x = 167,196,182,527,661,888
  5. Step 5: Solve for x
    x = 167,196,182,527,661,888/469,645,295.61
  6. Step 6: Final answer
    x = 356,005,232.23

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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.