Home / 841,498,120.69-1,161,245,130.64-470,223,202.93

Finding the Fourth Proportional to 841,498,120.69, 1,161,245,130.64 and 470,223,202.93

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Solution

The fourth proportional to 841,498,120.69, 1,161,245,130.64 and 470,223,202.93 is: 648,895,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,498,120.69 : 1,161,245,130.64 = 470,223,202.93 : x
  2. Step 2: Convert to fraction form
    841,498,120.69/1,161,245,130.64 = 470,223,202.93/x
  3. Step 3: Cross multiply
    841,498,120.69x = 1,161,245,130.64 × 470,223,202.93
  4. Step 4: Simplify right side
    841,498,120.69x = 546,044,404,716,407,168
  5. Step 5: Solve for x
    x = 546,044,404,716,407,168/841,498,120.69
  6. Step 6: Final answer
    x = 648,895,572.42

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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.