Home / 760,211,587.72-1,049,091,990.96-412,531,075.72

Finding the Fourth Proportional to 760,211,587.72, 1,049,091,990.96 and 412,531,075.72

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Solution

The fourth proportional to 760,211,587.72, 1,049,091,990.96 and 412,531,075.72 is: 569,292,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,211,587.72 : 1,049,091,990.96 = 412,531,075.72 : x
  2. Step 2: Convert to fraction form
    760,211,587.72/1,049,091,990.96 = 412,531,075.72/x
  3. Step 3: Cross multiply
    760,211,587.72x = 1,049,091,990.96 × 412,531,075.72
  4. Step 4: Simplify right side
    760,211,587.72x = 432,783,047,558,910,144
  5. Step 5: Solve for x
    x = 432,783,047,558,910,144/760,211,587.72
  6. Step 6: Final answer
    x = 569,292,884.44

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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.