Finding the Fourth Proportional to 4,139,481,173,386.80, 6,203,671,506,724 and 3,221,658,808,215.20
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Solution
The fourth proportional to 4,139,481,173,386.80, 6,203,671,506,724 and 3,221,658,808,215.20 is: 4,828,168,583,397.37
Step by Step Solution
- Step 1: Write the proportion equation
4,139,481,173,386.80 : 6,203,671,506,724 = 3,221,658,808,215.20 : x - Step 2: Convert to fraction form
4,139,481,173,386.80/6,203,671,506,724 = 3,221,658,808,215.20/x - Step 3: Cross multiply
4,139,481,173,386.80x = 6,203,671,506,724 × 3,221,658,808,215.20 - Step 4: Simplify right side
4,139,481,173,386.80x = 19,986,112,952,911,038,175,510,528 - Step 5: Solve for x
x = 19,986,112,952,911,038,175,510,528/4,139,481,173,386.80 - Step 6: Final answer
x = 4,828,168,583,397.37
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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.