Finding the Fourth Proportional to 860,403,014,203.60, 1,187,460,277,148.10 and 489,696,564,020.62
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Solution
The fourth proportional to 860,403,014,203.60, 1,187,460,277,148.10 and 489,696,564,020.62 is: 675,840,516,631.19
Step by Step Solution
- Step 1: Write the proportion equation
860,403,014,203.60 : 1,187,460,277,148.10 = 489,696,564,020.62 : x - Step 2: Convert to fraction form
860,403,014,203.60/1,187,460,277,148.10 = 489,696,564,020.62/x - Step 3: Cross multiply
860,403,014,203.60x = 1,187,460,277,148.10 × 489,696,564,020.62 - Step 4: Simplify right side
860,403,014,203.60x = 581,495,217,630,397,788,585,984 - Step 5: Solve for x
x = 581,495,217,630,397,788,585,984/860,403,014,203.60 - Step 6: Final answer
x = 675,840,516,631.19
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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.