Finding the Fourth Proportional to 626,603,730.84, 864,736,485.12 and 375,748,964.22
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Solution
The fourth proportional to 626,603,730.84, 864,736,485.12 and 375,748,964.22 is: 518,547,564.62
Step by Step Solution
- Step 1: Write the proportion equation
626,603,730.84 : 864,736,485.12 = 375,748,964.22 : x - Step 2: Convert to fraction form
626,603,730.84/864,736,485.12 = 375,748,964.22/x - Step 3: Cross multiply
626,603,730.84x = 864,736,485.12 × 375,748,964.22 - Step 4: Simplify right side
626,603,730.84x = 324,923,838,607,083,456 - Step 5: Solve for x
x = 324,923,838,607,083,456/626,603,730.84 - Step 6: Final answer
x = 518,547,564.62
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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.