Finding the Fourth Proportional to 1,055,038,529.09, 1,455,939,432.80 and 602,911,352.13
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Solution
The fourth proportional to 1,055,038,529.09, 1,455,939,432.80 and 602,911,352.13 is: 832,009,815.61
Step by Step Solution
- Step 1: Write the proportion equation
1,055,038,529.09 : 1,455,939,432.80 = 602,911,352.13 : x - Step 2: Convert to fraction form
1,055,038,529.09/1,455,939,432.80 = 602,911,352.13/x - Step 3: Cross multiply
1,055,038,529.09x = 1,455,939,432.80 × 602,911,352.13 - Step 4: Simplify right side
1,055,038,529.09x = 877,802,412,048,833,280 - Step 5: Solve for x
x = 877,802,412,048,833,280/1,055,038,529.09 - Step 6: Final answer
x = 832,009,815.61
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1.5x scale
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.