Finding the Fourth Proportional to 1,164,818,259.84, 1,607,484,009 and 636,207,183.36
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Solution
The fourth proportional to 1,164,818,259.84, 1,607,484,009 and 636,207,183.36 is: 877,984,925.99
Step by Step Solution
- Step 1: Write the proportion equation
1,164,818,259.84 : 1,607,484,009 = 636,207,183.36 : x - Step 2: Convert to fraction form
1,164,818,259.84/1,607,484,009 = 636,207,183.36/x - Step 3: Cross multiply
1,164,818,259.84x = 1,607,484,009 × 636,207,183.36 - Step 4: Simplify right side
1,164,818,259.84x = 1,022,692,873,662,130,944 - Step 5: Solve for x
x = 1,022,692,873,662,130,944/1,164,818,259.84 - Step 6: Final answer
x = 877,984,925.99
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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.