Home / 316,625,392,595.40-436,943,323,333.92-172,109,522,290.02

Finding the Fourth Proportional to 316,625,392,595.40, 436,943,323,333.92 and 172,109,522,290.02

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Solution

The fourth proportional to 316,625,392,595.40, 436,943,323,333.92 and 172,109,522,290.02 is: 237,511,293,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,625,392,595.40 : 436,943,323,333.92 = 172,109,522,290.02 : x
  2. Step 2: Convert to fraction form
    316,625,392,595.40/436,943,323,333.92 = 172,109,522,290.02/x
  3. Step 3: Cross multiply
    316,625,392,595.40x = 436,943,323,333.92 × 172,109,522,290.02
  4. Step 4: Simplify right side
    316,625,392,595.40x = 75,202,106,646,814,710,038,528
  5. Step 5: Solve for x
    x = 75,202,106,646,814,710,038,528/316,625,392,595.40
  6. Step 6: Final answer
    x = 237,511,293,804.89

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1.5x scale

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.