Finding the Fourth Proportional to 460,427,400.80, 689,403,508.80 and 350,730,006.80
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Solution
The fourth proportional to 460,427,400.80, 689,403,508.80 and 350,730,006.80 is: 525,152,275.71
Step by Step Solution
- Step 1: Write the proportion equation
460,427,400.80 : 689,403,508.80 = 350,730,006.80 : x - Step 2: Convert to fraction form
460,427,400.80/689,403,508.80 = 350,730,006.80/x - Step 3: Cross multiply
460,427,400.80x = 689,403,508.80 × 350,730,006.80 - Step 4: Simplify right side
460,427,400.80x = 241,794,497,329,367,840 - Step 5: Solve for x
x = 241,794,497,329,367,840/460,427,400.80 - Step 6: Final answer
x = 525,152,275.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.