Finding the Fourth Proportional to 399,256,606.96, 598,349,587.34 and 310,732,075.63
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Solution
The fourth proportional to 399,256,606.96, 598,349,587.34 and 310,732,075.63 is: 465,681,484.00
Step by Step Solution
- Step 1: Write the proportion equation
399,256,606.96 : 598,349,587.34 = 310,732,075.63 : x - Step 2: Convert to fraction form
399,256,606.96/598,349,587.34 = 310,732,075.63/x - Step 3: Cross multiply
399,256,606.96x = 598,349,587.34 × 310,732,075.63 - Step 4: Simplify right side
399,256,606.96x = 185,926,409,226,355,584 - Step 5: Solve for x
x = 185,926,409,226,355,584/399,256,606.96 - Step 6: Final answer
x = 465,681,484.00
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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.