Finding the Fourth Proportional to 526,991,373.36, 727,239,216.48 and 292,041,555.12
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Solution
The fourth proportional to 526,991,373.36, 727,239,216.48 and 292,041,555.12 is: 403,012,425.75
Step by Step Solution
- Step 1: Write the proportion equation
526,991,373.36 : 727,239,216.48 = 292,041,555.12 : x - Step 2: Convert to fraction form
526,991,373.36/727,239,216.48 = 292,041,555.12/x - Step 3: Cross multiply
526,991,373.36x = 727,239,216.48 × 292,041,555.12 - Step 4: Simplify right side
526,991,373.36x = 212,384,071,725,069,536 - Step 5: Solve for x
x = 212,384,071,725,069,536/526,991,373.36 - Step 6: Final answer
x = 403,012,425.75
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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.