Finding the Fourth Proportional to 245,396,044,438.92, 368,130,871,752.84 and 86,191,083,088.74
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Solution
The fourth proportional to 245,396,044,438.92, 368,130,871,752.84 and 86,191,083,088.74 is: 129,299,551,780.99
Step by Step Solution
- Step 1: Write the proportion equation
245,396,044,438.92 : 368,130,871,752.84 = 86,191,083,088.74 : x - Step 2: Convert to fraction form
245,396,044,438.92/368,130,871,752.84 = 86,191,083,088.74/x - Step 3: Cross multiply
245,396,044,438.92x = 368,130,871,752.84 × 86,191,083,088.74 - Step 4: Simplify right side
245,396,044,438.92x = 31,729,598,554,779,326,349,312 - Step 5: Solve for x
x = 31,729,598,554,779,326,349,312/245,396,044,438.92 - Step 6: Final answer
x = 129,299,551,780.99
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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.