Home / 956,617,319,016.71-1,434,927,359,554-390,655,005,678.80

Finding the Fourth Proportional to 956,617,319,016.71, 1,434,927,359,554 and 390,655,005,678.80

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Solution

The fourth proportional to 956,617,319,016.71, 1,434,927,359,554 and 390,655,005,678.80 is: 585,983,072,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,617,319,016.71 : 1,434,927,359,554 = 390,655,005,678.80 : x
  2. Step 2: Convert to fraction form
    956,617,319,016.71/1,434,927,359,554 = 390,655,005,678.80/x
  3. Step 3: Cross multiply
    956,617,319,016.71x = 1,434,927,359,554 × 390,655,005,678.80
  4. Step 4: Simplify right side
    956,617,319,016.71x = 560,561,555,795,233,352,974,336
  5. Step 5: Solve for x
    x = 560,561,555,795,233,352,974,336/956,617,319,016.71
  6. Step 6: Final answer
    x = 585,983,072,490.71

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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.