Home / 877,272,573,285.82-1,210,190,600,332.20-572,956,361,979.58

Finding the Fourth Proportional to 877,272,573,285.82, 1,210,190,600,332.20 and 572,956,361,979.58

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Solution

The fourth proportional to 877,272,573,285.82, 1,210,190,600,332.20 and 572,956,361,979.58 is: 790,388,785,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,272,573,285.82 : 1,210,190,600,332.20 = 572,956,361,979.58 : x
  2. Step 2: Convert to fraction form
    877,272,573,285.82/1,210,190,600,332.20 = 572,956,361,979.58/x
  3. Step 3: Cross multiply
    877,272,573,285.82x = 1,210,190,600,332.20 × 572,956,361,979.58
  4. Step 4: Simplify right side
    877,272,573,285.82x = 693,386,403,668,221,071,720,448
  5. Step 5: Solve for x
    x = 693,386,403,668,221,071,720,448/877,272,573,285.82
  6. Step 6: Final answer
    x = 790,388,785,404.68

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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.