Finding the Fourth Proportional to 245,670,752,431.30, 368,506,128,646.95 and 245,670,752,431.30
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Solution
The fourth proportional to 245,670,752,431.30, 368,506,128,646.95 and 245,670,752,431.30 is: 368,506,128,646.95
Step by Step Solution
- Step 1: Write the proportion equation
245,670,752,431.30 : 368,506,128,646.95 = 245,670,752,431.30 : x - Step 2: Convert to fraction form
245,670,752,431.30/368,506,128,646.95 = 245,670,752,431.30/x - Step 3: Cross multiply
245,670,752,431.30x = 368,506,128,646.95 × 245,670,752,431.30 - Step 4: Simplify right side
245,670,752,431.30x = 90,531,177,900,241,638,653,952 - Step 5: Solve for x
x = 90,531,177,900,241,638,653,952/245,670,752,431.30 - Step 6: Final answer
x = 368,506,128,646.95
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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.