Finding the Fourth Proportional to 7,804,487,940.56, 11,709,031,598.52 and 3,143,963,652.56
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Solution
The fourth proportional to 7,804,487,940.56, 11,709,031,598.52 and 3,143,963,652.56 is: 4,716,871,886.12
Step by Step Solution
- Step 1: Write the proportion equation
7,804,487,940.56 : 11,709,031,598.52 = 3,143,963,652.56 : x - Step 2: Convert to fraction form
7,804,487,940.56/11,709,031,598.52 = 3,143,963,652.56/x - Step 3: Cross multiply
7,804,487,940.56x = 11,709,031,598.52 × 3,143,963,652.56 - Step 4: Simplify right side
7,804,487,940.56x = 36,812,769,752,423,395,328 - Step 5: Solve for x
x = 36,812,769,752,423,395,328/7,804,487,940.56 - Step 6: Final answer
x = 4,716,871,886.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.