Home / 1,177,430,005.76-1,624,888,067.88-648,828,042.56

Finding the Fourth Proportional to 1,177,430,005.76, 1,624,888,067.88 and 648,828,042.56

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Solution

The fourth proportional to 1,177,430,005.76, 1,624,888,067.88 and 648,828,042.56 is: 895,401,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,430,005.76 : 1,624,888,067.88 = 648,828,042.56 : x
  2. Step 2: Convert to fraction form
    1,177,430,005.76/1,624,888,067.88 = 648,828,042.56/x
  3. Step 3: Cross multiply
    1,177,430,005.76x = 1,624,888,067.88 × 648,828,042.56
  4. Step 4: Simplify right side
    1,177,430,005.76x = 1,054,272,944,461,680,768
  5. Step 5: Solve for x
    x = 1,054,272,944,461,680,768/1,177,430,005.76
  6. Step 6: Final answer
    x = 895,401,798.24

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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.