Finding the Fourth Proportional to 368,636,369.74, 552,950,767.35 and 213,091,205.18
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Solution
The fourth proportional to 368,636,369.74, 552,950,767.35 and 213,091,205.18 is: 319,634,618.53
Step by Step Solution
- Step 1: Write the proportion equation
368,636,369.74 : 552,950,767.35 = 213,091,205.18 : x - Step 2: Convert to fraction form
368,636,369.74/552,950,767.35 = 213,091,205.18/x - Step 3: Cross multiply
368,636,369.74x = 552,950,767.35 × 213,091,205.18 - Step 4: Simplify right side
368,636,369.74x = 117,828,945,417,052,560 - Step 5: Solve for x
x = 117,828,945,417,052,560/368,636,369.74 - Step 6: Final answer
x = 319,634,618.53
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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.