Home / 866,641,660.93-1,195,967,810.19-470,164,650.49

Finding the Fourth Proportional to 866,641,660.93, 1,195,967,810.19 and 470,164,650.49

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Solution

The fourth proportional to 866,641,660.93, 1,195,967,810.19 and 470,164,650.49 is: 648,828,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,641,660.93 : 1,195,967,810.19 = 470,164,650.49 : x
  2. Step 2: Convert to fraction form
    866,641,660.93/1,195,967,810.19 = 470,164,650.49/x
  3. Step 3: Cross multiply
    866,641,660.93x = 1,195,967,810.19 × 470,164,650.49
  4. Step 4: Simplify right side
    866,641,660.93x = 562,301,787,475,272,064
  5. Step 5: Solve for x
    x = 562,301,787,475,272,064/866,641,660.93
  6. Step 6: Final answer
    x = 648,828,475.28

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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.