Finding the Fourth Proportional to 432,998,946.73, 598,031,762.09 and 293,527,570.69
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Solution
The fourth proportional to 432,998,946.73, 598,031,762.09 and 293,527,570.69 is: 405,402,395.66
Step by Step Solution
- Step 1: Write the proportion equation
432,998,946.73 : 598,031,762.09 = 293,527,570.69 : x - Step 2: Convert to fraction form
432,998,946.73/598,031,762.09 = 293,527,570.69/x - Step 3: Cross multiply
432,998,946.73x = 598,031,762.09 × 293,527,570.69 - Step 4: Simplify right side
432,998,946.73x = 175,538,810,323,115,040 - Step 5: Solve for x
x = 175,538,810,323,115,040/432,998,946.73 - Step 6: Final answer
x = 405,402,395.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.