Finding the Fourth Proportional to 2,018,854,839.80, 3,028,282,259.70 and 930,463,671.80
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Solution
The fourth proportional to 2,018,854,839.80, 3,028,282,259.70 and 930,463,671.80 is: 1,395,695,507.70
Step by Step Solution
- Step 1: Write the proportion equation
2,018,854,839.80 : 3,028,282,259.70 = 930,463,671.80 : x - Step 2: Convert to fraction form
2,018,854,839.80/3,028,282,259.70 = 930,463,671.80/x - Step 3: Cross multiply
2,018,854,839.80x = 3,028,282,259.70 × 930,463,671.80 - Step 4: Simplify right side
2,018,854,839.80x = 2,817,706,630,607,262,720 - Step 5: Solve for x
x = 2,817,706,630,607,262,720/2,018,854,839.80 - Step 6: Final answer
x = 1,395,695,507.70
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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.