Finding the Fourth Proportional to 661,472,897.13, 992,209,345.36 and 246,982,088.00
Calculator
Solution
The fourth proportional to 661,472,897.13, 992,209,345.36 and 246,982,088.00 is: 370,473,131.88
Step by Step Solution
- Step 1: Write the proportion equation
661,472,897.13 : 992,209,345.36 = 246,982,088.00 : x - Step 2: Convert to fraction form
661,472,897.13/992,209,345.36 = 246,982,088.00/x - Step 3: Cross multiply
661,472,897.13x = 992,209,345.36 × 246,982,088.00 - Step 4: Simplify right side
661,472,897.13x = 245,057,935,851,988,960 - Step 5: Solve for x
x = 245,057,935,851,988,960/661,472,897.13 - Step 6: Final answer
x = 370,473,131.88
Related Problems
Find fourth proportional to 330,736,448.57, 496,104,672.68 and 123,491,044.00
Half scale
Find fourth proportional to 1,322,945,794.26, 1,984,418,690.72 and 493,964,176.01
Double scale
Find fourth proportional to 661,472,898.13, 992,209,346.86 and 246,982,089
Similar ratio
Find fourth proportional to 992,209,345.70, 1,488,314,018.04 and 370,473,132.00
1.5x scale
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.