Finding the Fourth Proportional to 580,651,497.60, 870,977,246.40 and 290,413,852.80
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Solution
The fourth proportional to 580,651,497.60, 870,977,246.40 and 290,413,852.80 is: 435,620,779.20
Step by Step Solution
- Step 1: Write the proportion equation
580,651,497.60 : 870,977,246.40 = 290,413,852.80 : x - Step 2: Convert to fraction form
580,651,497.60/870,977,246.40 = 290,413,852.80/x - Step 3: Cross multiply
580,651,497.60x = 870,977,246.40 × 290,413,852.80 - Step 4: Simplify right side
580,651,497.60x = 252,943,857,828,158,944 - Step 5: Solve for x
x = 252,943,857,828,158,944/580,651,497.60 - Step 6: Final answer
x = 435,620,779.20
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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.