Finding the Fourth Proportional to 4,688,909,708.40, 6,470,708,130 and 2,574,502,605.36
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Solution
The fourth proportional to 4,688,909,708.40, 6,470,708,130 and 2,574,502,605.36 is: 3,552,820,586.28
Step by Step Solution
- Step 1: Write the proportion equation
4,688,909,708.40 : 6,470,708,130 = 2,574,502,605.36 : x - Step 2: Convert to fraction form
4,688,909,708.40/6,470,708,130 = 2,574,502,605.36/x - Step 3: Cross multiply
4,688,909,708.40x = 6,470,708,130 × 2,574,502,605.36 - Step 4: Simplify right side
4,688,909,708.40x = 16,658,854,939,209,134,080 - Step 5: Solve for x
x = 16,658,854,939,209,134,080/4,688,909,708.40 - Step 6: Final answer
x = 3,552,820,586.28
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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.