Home / 572,107,272,888.80-788,977,714,727.52-417,538,120,392.45

Finding the Fourth Proportional to 572,107,272,888.80, 788,977,714,727.52 and 417,538,120,392.45

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Solution

The fourth proportional to 572,107,272,888.80, 788,977,714,727.52 and 417,538,120,392.45 is: 575,815,564,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,107,272,888.80 : 788,977,714,727.52 = 417,538,120,392.45 : x
  2. Step 2: Convert to fraction form
    572,107,272,888.80/788,977,714,727.52 = 417,538,120,392.45/x
  3. Step 3: Cross multiply
    572,107,272,888.80x = 788,977,714,727.52 × 417,538,120,392.45
  4. Step 4: Simplify right side
    572,107,272,888.80x = 329,428,272,038,859,358,863,360
  5. Step 5: Solve for x
    x = 329,428,272,038,859,358,863,360/572,107,272,888.80
  6. Step 6: Final answer
    x = 575,815,564,055.75

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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.