Home / 612,397,887,210.70-845,106,137,783.13-338,041,139,809.03

Finding the Fourth Proportional to 612,397,887,210.70, 845,106,137,783.13 and 338,041,139,809.03

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Solution

The fourth proportional to 612,397,887,210.70, 845,106,137,783.13 and 338,041,139,809.03 is: 466,495,146,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,397,887,210.70 : 845,106,137,783.13 = 338,041,139,809.03 : x
  2. Step 2: Convert to fraction form
    612,397,887,210.70/845,106,137,783.13 = 338,041,139,809.03/x
  3. Step 3: Cross multiply
    612,397,887,210.70x = 845,106,137,783.13 × 338,041,139,809.03
  4. Step 4: Simplify right side
    612,397,887,210.70x = 285,680,642,075,816,447,967,232
  5. Step 5: Solve for x
    x = 285,680,642,075,816,447,967,232/612,397,887,210.70
  6. Step 6: Final answer
    x = 466,495,146,443.13

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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.