Home / 907,155,457.02-1,359,627,710.29-470,215,251.90

Finding the Fourth Proportional to 907,155,457.02, 1,359,627,710.29 and 470,215,251.90

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Solution

The fourth proportional to 907,155,457.02, 1,359,627,710.29 and 470,215,251.90 is: 704,749,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,155,457.02 : 1,359,627,710.29 = 470,215,251.90 : x
  2. Step 2: Convert to fraction form
    907,155,457.02/1,359,627,710.29 = 470,215,251.90/x
  3. Step 3: Cross multiply
    907,155,457.02x = 1,359,627,710.29 × 470,215,251.90
  4. Step 4: Simplify right side
    907,155,457.02x = 639,317,686,283,056,896
  5. Step 5: Solve for x
    x = 639,317,686,283,056,896/907,155,457.02
  6. Step 6: Final answer
    x = 704,749,865.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.