Home / 853,502,777.67-1,177,859,710.17-477,175,221.51

Finding the Fourth Proportional to 853,502,777.67, 1,177,859,710.17 and 477,175,221.51

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Solution

The fourth proportional to 853,502,777.67, 1,177,859,710.17 and 477,175,221.51 is: 658,516,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,502,777.67 : 1,177,859,710.17 = 477,175,221.51 : x
  2. Step 2: Convert to fraction form
    853,502,777.67/1,177,859,710.17 = 477,175,221.51/x
  3. Step 3: Cross multiply
    853,502,777.67x = 1,177,859,710.17 × 477,175,221.51
  4. Step 4: Simplify right side
    853,502,777.67x = 562,045,468,108,074,176
  5. Step 5: Solve for x
    x = 562,045,468,108,074,176/853,502,777.67
  6. Step 6: Final answer
    x = 658,516,272.96

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1.5x scale

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.