Finding the Fourth Proportional to 608,607,430,343.55, 839,955,737,772.55 and 368,021,028,543.40
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Solution
The fourth proportional to 608,607,430,343.55, 839,955,737,772.55 and 368,021,028,543.40 is: 507,915,873,408.73
Step by Step Solution
- Step 1: Write the proportion equation
608,607,430,343.55 : 839,955,737,772.55 = 368,021,028,543.40 : x - Step 2: Convert to fraction form
608,607,430,343.55/839,955,737,772.55 = 368,021,028,543.40/x - Step 3: Cross multiply
608,607,430,343.55x = 839,955,737,772.55 × 368,021,028,543.40 - Step 4: Simplify right side
608,607,430,343.55x = 309,121,374,545,984,238,911,488 - Step 5: Solve for x
x = 309,121,374,545,984,238,911,488/608,607,430,343.55 - Step 6: Final answer
x = 507,915,873,408.73
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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.