Finding the Fourth Proportional to 245,717,896,075.84, 368,576,844,113.76 and 69,054,153,091.84
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Solution
The fourth proportional to 245,717,896,075.84, 368,576,844,113.76 and 69,054,153,091.84 is: 103,581,229,637.76
Step by Step Solution
- Step 1: Write the proportion equation
245,717,896,075.84 : 368,576,844,113.76 = 69,054,153,091.84 : x - Step 2: Convert to fraction form
245,717,896,075.84/368,576,844,113.76 = 69,054,153,091.84/x - Step 3: Cross multiply
245,717,896,075.84x = 368,576,844,113.76 × 69,054,153,091.84 - Step 4: Simplify right side
245,717,896,075.84x = 25,451,761,819,538,830,655,488 - Step 5: Solve for x
x = 25,451,761,819,538,830,655,488/245,717,896,075.84 - Step 6: Final answer
x = 103,581,229,637.76
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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.