Home / 1,303,884,722.40-1,955,155,237.20-485,575,807.20

Finding the Fourth Proportional to 1,303,884,722.40, 1,955,155,237.20 and 485,575,807.20

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Solution

The fourth proportional to 1,303,884,722.40, 1,955,155,237.20 and 485,575,807.20 is: 728,113,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,884,722.40 : 1,955,155,237.20 = 485,575,807.20 : x
  2. Step 2: Convert to fraction form
    1,303,884,722.40/1,955,155,237.20 = 485,575,807.20/x
  3. Step 3: Cross multiply
    1,303,884,722.40x = 1,955,155,237.20 × 485,575,807.20
  4. Step 4: Simplify right side
    1,303,884,722.40x = 949,376,082,504,697,472
  5. Step 5: Solve for x
    x = 949,376,082,504,697,472/1,303,884,722.40
  6. Step 6: Final answer
    x = 728,113,510.49

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1.5x scale

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.