Finding the Fourth Proportional to 740,257,648.02, 1,021,566,726.63 and 405,727,494.12
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Solution
The fourth proportional to 740,257,648.02, 1,021,566,726.63 and 405,727,494.12 is: 559,910,065.34
Step by Step Solution
- Step 1: Write the proportion equation
740,257,648.02 : 1,021,566,726.63 = 405,727,494.12 : x - Step 2: Convert to fraction form
740,257,648.02/1,021,566,726.63 = 405,727,494.12/x - Step 3: Cross multiply
740,257,648.02x = 1,021,566,726.63 × 405,727,494.12 - Step 4: Simplify right side
740,257,648.02x = 414,477,708,071,960,960 - Step 5: Solve for x
x = 414,477,708,071,960,960/740,257,648.02 - Step 6: Final answer
x = 559,910,065.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.