Home / 841,498,371.96-1,161,245,477.28-470,223,454.20

Finding the Fourth Proportional to 841,498,371.96, 1,161,245,477.28 and 470,223,454.20

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Solution

The fourth proportional to 841,498,371.96, 1,161,245,477.28 and 470,223,454.20 is: 648,895,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,498,371.96 : 1,161,245,477.28 = 470,223,454.20 : x
  2. Step 2: Convert to fraction form
    841,498,371.96/1,161,245,477.28 = 470,223,454.20/x
  3. Step 3: Cross multiply
    841,498,371.96x = 1,161,245,477.28 × 470,223,454.20
  4. Step 4: Simplify right side
    841,498,371.96x = 546,044,859,500,729,216
  5. Step 5: Solve for x
    x = 546,044,859,500,729,216/841,498,371.96
  6. Step 6: Final answer
    x = 648,895,919.11

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Double scale
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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.