Finding the Fourth Proportional to 530,174,860,471, 795,262,301,215.95 and 127,258,330,731.60
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Solution
The fourth proportional to 530,174,860,471, 795,262,301,215.95 and 127,258,330,731.60 is: 190,887,498,619.99
Step by Step Solution
- Step 1: Write the proportion equation
530,174,860,471 : 795,262,301,215.95 = 127,258,330,731.60 : x - Step 2: Convert to fraction form
530,174,860,471/795,262,301,215.95 = 127,258,330,731.60/x - Step 3: Cross multiply
530,174,860,471x = 795,262,301,215.95 × 127,258,330,731.60 - Step 4: Simplify right side
530,174,860,471x = 101,203,752,946,512,670,228,480 - Step 5: Solve for x
x = 101,203,752,946,512,670,228,480/530,174,860,471 - Step 6: Final answer
x = 190,887,498,619.99
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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.