Home / 1,376,955,153.94-1,900,204,547.38-782,272,270.13

Finding the Fourth Proportional to 1,376,955,153.94, 1,900,204,547.38 and 782,272,270.13

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Solution

The fourth proportional to 1,376,955,153.94, 1,900,204,547.38 and 782,272,270.13 is: 1,079,539,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,955,153.94 : 1,900,204,547.38 = 782,272,270.13 : x
  2. Step 2: Convert to fraction form
    1,376,955,153.94/1,900,204,547.38 = 782,272,270.13/x
  3. Step 3: Cross multiply
    1,376,955,153.94x = 1,900,204,547.38 × 782,272,270.13
  4. Step 4: Simplify right side
    1,376,955,153.94x = 1,486,477,324,991,610,368
  5. Step 5: Solve for x
    x = 1,486,477,324,991,610,368/1,376,955,153.94
  6. Step 6: Final answer
    x = 1,079,539,388.58

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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.