Home / 473,336,386.05-710,004,568.14-128,290,006.20

Finding the Fourth Proportional to 473,336,386.05, 710,004,568.14 and 128,290,006.20

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Solution

The fourth proportional to 473,336,386.05, 710,004,568.14 and 128,290,006.20 is: 192,435,006.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,336,386.05 : 710,004,568.14 = 128,290,006.20 : x
  2. Step 2: Convert to fraction form
    473,336,386.05/710,004,568.14 = 128,290,006.20/x
  3. Step 3: Cross multiply
    473,336,386.05x = 710,004,568.14 × 128,290,006.20
  4. Step 4: Simplify right side
    473,336,386.05x = 91,086,490,448,708,928
  5. Step 5: Solve for x
    x = 91,086,490,448,708,928/473,336,386.05
  6. Step 6: Final answer
    x = 192,435,006.34

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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.