Finding the Fourth Proportional to 456,725,271.98, 630,286,921.95 and 247,883,918.06
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Solution
The fourth proportional to 456,725,271.98, 630,286,921.95 and 247,883,918.06 is: 342,083,088.68
Step by Step Solution
- Step 1: Write the proportion equation
456,725,271.98 : 630,286,921.95 = 247,883,918.06 : x - Step 2: Convert to fraction form
456,725,271.98/630,286,921.95 = 247,883,918.06/x - Step 3: Cross multiply
456,725,271.98x = 630,286,921.95 × 247,883,918.06 - Step 4: Simplify right side
456,725,271.98x = 156,237,991,714,943,424 - Step 5: Solve for x
x = 156,237,991,714,943,424/456,725,271.98 - Step 6: Final answer
x = 342,083,088.68
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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.