Home / 760,560,842.40-1,049,666,645.88-447,279,915.84

Finding the Fourth Proportional to 760,560,842.40, 1,049,666,645.88 and 447,279,915.84

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Solution

The fourth proportional to 760,560,842.40, 1,049,666,645.88 and 447,279,915.84 is: 617,300,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,560,842.40 : 1,049,666,645.88 = 447,279,915.84 : x
  2. Step 2: Convert to fraction form
    760,560,842.40/1,049,666,645.88 = 447,279,915.84/x
  3. Step 3: Cross multiply
    760,560,842.40x = 1,049,666,645.88 × 447,279,915.84
  4. Step 4: Simplify right side
    760,560,842.40x = 469,494,809,029,261,440
  5. Step 5: Solve for x
    x = 469,494,809,029,261,440/760,560,842.40
  6. Step 6: Final answer
    x = 617,300,790.23

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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.