Finding the Fourth Proportional to 1,134,034,115.41, 1,564,968,133.88 and 612,513,347.41
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Solution
The fourth proportional to 1,134,034,115.41, 1,564,968,133.88 and 612,513,347.41 is: 845,268,989.04
Step by Step Solution
- Step 1: Write the proportion equation
1,134,034,115.41 : 1,564,968,133.88 = 612,513,347.41 : x - Step 2: Convert to fraction form
1,134,034,115.41/1,564,968,133.88 = 612,513,347.41/x - Step 3: Cross multiply
1,134,034,115.41x = 1,564,968,133.88 × 612,513,347.41 - Step 4: Simplify right side
1,134,034,115.41x = 958,563,870,272,819,840 - Step 5: Solve for x
x = 958,563,870,272,819,840/1,134,034,115.41 - Step 6: Final answer
x = 845,268,989.04
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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.