Finding the Fourth Proportional to 648,554,547.94, 972,423,115.35 and 550,220,612.74
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Solution
The fourth proportional to 648,554,547.94, 972,423,115.35 and 550,220,612.74 is: 824,984,180.70
Step by Step Solution
- Step 1: Write the proportion equation
648,554,547.94 : 972,423,115.35 = 550,220,612.74 : x - Step 2: Convert to fraction form
648,554,547.94/972,423,115.35 = 550,220,612.74/x - Step 3: Cross multiply
648,554,547.94x = 972,423,115.35 × 550,220,612.74 - Step 4: Simplify right side
648,554,547.94x = 535,047,242,370,416,704 - Step 5: Solve for x
x = 535,047,242,370,416,704/648,554,547.94 - Step 6: Final answer
x = 824,984,180.70
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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.