Finding the Fourth Proportional to 9,740,118,870.72, 14,603,963,649.12 and 6,420,100,305.60
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Solution
The fourth proportional to 9,740,118,870.72, 14,603,963,649.12 and 6,420,100,305.60 is: 9,626,054,130.46
Step by Step Solution
- Step 1: Write the proportion equation
9,740,118,870.72 : 14,603,963,649.12 = 6,420,100,305.60 : x - Step 2: Convert to fraction form
9,740,118,870.72/14,603,963,649.12 = 6,420,100,305.60/x - Step 3: Cross multiply
9,740,118,870.72x = 14,603,963,649.12 × 6,420,100,305.60 - Step 4: Simplify right side
9,740,118,870.72x = 93,758,911,486,686,609,408 - Step 5: Solve for x
x = 93,758,911,486,686,609,408/9,740,118,870.72 - Step 6: Final answer
x = 9,626,054,130.46
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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.