Finding the Fourth Proportional to 453,271,916.08, 680,026,691.79 and 142,366,973.65
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Solution
The fourth proportional to 453,271,916.08, 680,026,691.79 and 142,366,973.65 is: 213,587,779.60
Step by Step Solution
- Step 1: Write the proportion equation
453,271,916.08 : 680,026,691.79 = 142,366,973.65 : x - Step 2: Convert to fraction form
453,271,916.08/680,026,691.79 = 142,366,973.65/x - Step 3: Cross multiply
453,271,916.08x = 680,026,691.79 × 142,366,973.65 - Step 4: Simplify right side
453,271,916.08x = 96,813,342,111,363,600 - Step 5: Solve for x
x = 96,813,342,111,363,600/453,271,916.08 - Step 6: Final answer
x = 213,587,779.60
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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.