Home / 502,746,309.28-693,779,032.50-291,062,066.80

Finding the Fourth Proportional to 502,746,309.28, 693,779,032.50 and 291,062,066.80

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Solution

The fourth proportional to 502,746,309.28, 693,779,032.50 and 291,062,066.80 is: 401,659,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,746,309.28 : 693,779,032.50 = 291,062,066.80 : x
  2. Step 2: Convert to fraction form
    502,746,309.28/693,779,032.50 = 291,062,066.80/x
  3. Step 3: Cross multiply
    502,746,309.28x = 693,779,032.50 × 291,062,066.80
  4. Step 4: Simplify right side
    502,746,309.28x = 201,932,759,101,954,368
  5. Step 5: Solve for x
    x = 201,932,759,101,954,368/502,746,309.28
  6. Step 6: Final answer
    x = 401,659,356.57

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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.