Home / 577,723,458.74-797,258,373.14-330,210,127.40

Finding the Fourth Proportional to 577,723,458.74, 797,258,373.14 and 330,210,127.40

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Solution

The fourth proportional to 577,723,458.74, 797,258,373.14 and 330,210,127.40 is: 455,689,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,723,458.74 : 797,258,373.14 = 330,210,127.40 : x
  2. Step 2: Convert to fraction form
    577,723,458.74/797,258,373.14 = 330,210,127.40/x
  3. Step 3: Cross multiply
    577,723,458.74x = 797,258,373.14 × 330,210,127.40
  4. Step 4: Simplify right side
    577,723,458.74x = 263,262,788,965,276,128
  5. Step 5: Solve for x
    x = 263,262,788,965,276,128/577,723,458.74
  6. Step 6: Final answer
    x = 455,689,975.86

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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.