Finding the Fourth Proportional to 368,636,371.25, 552,950,769.60 and 213,091,206.68
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Solution
The fourth proportional to 368,636,371.25, 552,950,769.60 and 213,091,206.68 is: 319,634,620.77
Step by Step Solution
- Step 1: Write the proportion equation
368,636,371.25 : 552,950,769.60 = 213,091,206.68 : x - Step 2: Convert to fraction form
368,636,371.25/552,950,769.60 = 213,091,206.68/x - Step 3: Cross multiply
368,636,371.25x = 552,950,769.60 × 213,091,206.68 - Step 4: Simplify right side
368,636,371.25x = 117,828,946,725,933,920 - Step 5: Solve for x
x = 117,828,946,725,933,920/368,636,371.25 - Step 6: Final answer
x = 319,634,620.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.