Finding the Fourth Proportional to 708,698,482,695.60, 977,993,497,850.55 and 395,843,432,292.50
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Solution
The fourth proportional to 708,698,482,695.60, 977,993,497,850.55 and 395,843,432,292.50 is: 546,258,123,026.33
Step by Step Solution
- Step 1: Write the proportion equation
708,698,482,695.60 : 977,993,497,850.55 = 395,843,432,292.50 : x - Step 2: Convert to fraction form
708,698,482,695.60/977,993,497,850.55 = 395,843,432,292.50/x - Step 3: Cross multiply
708,698,482,695.60x = 977,993,497,850.55 × 395,843,432,292.50 - Step 4: Simplify right side
708,698,482,695.60x = 387,132,302,948,909,445,021,696 - Step 5: Solve for x
x = 387,132,302,948,909,445,021,696/708,698,482,695.60 - Step 6: Final answer
x = 546,258,123,026.33
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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.