Finding the Fourth Proportional to 5,698,506,588.76, 7,863,939,838.08 and 3,158,352,553
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Solution
The fourth proportional to 5,698,506,588.76, 7,863,939,838.08 and 3,158,352,553 is: 4,358,526,936.38
Step by Step Solution
- Step 1: Write the proportion equation
5,698,506,588.76 : 7,863,939,838.08 = 3,158,352,553 : x - Step 2: Convert to fraction form
5,698,506,588.76/7,863,939,838.08 = 3,158,352,553/x - Step 3: Cross multiply
5,698,506,588.76x = 7,863,939,838.08 × 3,158,352,553 - Step 4: Simplify right side
5,698,506,588.76x = 24,837,094,464,238,374,912 - Step 5: Solve for x
x = 24,837,094,464,238,374,912/5,698,506,588.76 - Step 6: Final answer
x = 4,358,526,936.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.