Finding the Fourth Proportional to 617,480,565.80, 926,220,848.70 and 253,854,069.80
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Solution
The fourth proportional to 617,480,565.80, 926,220,848.70 and 253,854,069.80 is: 380,781,104.70
Step by Step Solution
- Step 1: Write the proportion equation
617,480,565.80 : 926,220,848.70 = 253,854,069.80 : x - Step 2: Convert to fraction form
617,480,565.80/926,220,848.70 = 253,854,069.80/x - Step 3: Cross multiply
617,480,565.80x = 926,220,848.70 × 253,854,069.80 - Step 4: Simplify right side
617,480,565.80x = 235,124,931,976,105,056 - Step 5: Solve for x
x = 235,124,931,976,105,056/617,480,565.80 - Step 6: Final answer
x = 380,781,104.70
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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.