Finding the Fourth Proportional to 4,580,688,312.90, 6,871,032,469.35 and 2,256,165,378.90
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Solution
The fourth proportional to 4,580,688,312.90, 6,871,032,469.35 and 2,256,165,378.90 is: 3,384,248,068.35
Step by Step Solution
- Step 1: Write the proportion equation
4,580,688,312.90 : 6,871,032,469.35 = 2,256,165,378.90 : x - Step 2: Convert to fraction form
4,580,688,312.90/6,871,032,469.35 = 2,256,165,378.90/x - Step 3: Cross multiply
4,580,688,312.90x = 6,871,032,469.35 × 2,256,165,378.90 - Step 4: Simplify right side
4,580,688,312.90x = 15,502,185,574,645,245,952 - Step 5: Solve for x
x = 15,502,185,574,645,245,952/4,580,688,312.90 - Step 6: Final answer
x = 3,384,248,068.35
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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.