Home / 913,507,752.08-1,260,637,506.60-495,820,015.76

Finding the Fourth Proportional to 913,507,752.08, 1,260,637,506.60 and 495,820,015.76

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Solution

The fourth proportional to 913,507,752.08, 1,260,637,506.60 and 495,820,015.76 is: 684,229,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,507,752.08 : 1,260,637,506.60 = 495,820,015.76 : x
  2. Step 2: Convert to fraction form
    913,507,752.08/1,260,637,506.60 = 495,820,015.76/x
  3. Step 3: Cross multiply
    913,507,752.08x = 1,260,637,506.60 × 495,820,015.76
  4. Step 4: Simplify right side
    913,507,752.08x = 625,049,308,390,059,008
  5. Step 5: Solve for x
    x = 625,049,308,390,059,008/913,507,752.08
  6. Step 6: Final answer
    x = 684,229,889.64

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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.