Finding the Fourth Proportional to 4,828,896,125.90, 7,243,344,188.85 and 4,798,285,124.30
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Solution
The fourth proportional to 4,828,896,125.90, 7,243,344,188.85 and 4,798,285,124.30 is: 7,197,427,686.45
Step by Step Solution
- Step 1: Write the proportion equation
4,828,896,125.90 : 7,243,344,188.85 = 4,798,285,124.30 : x - Step 2: Convert to fraction form
4,828,896,125.90/7,243,344,188.85 = 4,798,285,124.30/x - Step 3: Cross multiply
4,828,896,125.90x = 7,243,344,188.85 × 4,798,285,124.30 - Step 4: Simplify right side
4,828,896,125.90x = 34,755,630,671,543,808,000 - Step 5: Solve for x
x = 34,755,630,671,543,808,000/4,828,896,125.90 - Step 6: Final answer
x = 7,197,427,686.45
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Double scale
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Similar ratio
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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.