Finding the Fourth Proportional to 8,871,973,730,615.20, 12,243,314,462,637 and 4,970,072,698,430.70
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Solution
The fourth proportional to 8,871,973,730,615.20, 12,243,314,462,637 and 4,970,072,698,430.70 is: 6,858,695,122,041.85
Step by Step Solution
- Step 1: Write the proportion equation
8,871,973,730,615.20 : 12,243,314,462,637 = 4,970,072,698,430.70 : x - Step 2: Convert to fraction form
8,871,973,730,615.20/12,243,314,462,637 = 4,970,072,698,430.70/x - Step 3: Cross multiply
8,871,973,730,615.20x = 12,243,314,462,637 × 4,970,072,698,430.70 - Step 4: Simplify right side
8,871,973,730,615.20x = 60,850,162,949,053,894,652,592,128 - Step 5: Solve for x
x = 60,850,162,949,053,894,652,592,128/8,871,973,730,615.20 - Step 6: Final answer
x = 6,858,695,122,041.85
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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.