Home / 1,209,154,856,381.30-1,813,739,064,430.30-403,319,585,340

Finding the Fourth Proportional to 1,209,154,856,381.30, 1,813,739,064,430.30 and 403,319,585,340

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Solution

The fourth proportional to 1,209,154,856,381.30, 1,813,739,064,430.30 and 403,319,585,340 is: 604,981,639,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,154,856,381.30 : 1,813,739,064,430.30 = 403,319,585,340 : x
  2. Step 2: Convert to fraction form
    1,209,154,856,381.30/1,813,739,064,430.30 = 403,319,585,340/x
  3. Step 3: Cross multiply
    1,209,154,856,381.30x = 1,813,739,064,430.30 × 403,319,585,340
  4. Step 4: Simplify right side
    1,209,154,856,381.30x = 731,516,487,380,988,193,669,120
  5. Step 5: Solve for x
    x = 731,516,487,380,988,193,669,120/1,209,154,856,381.30
  6. Step 6: Final answer
    x = 604,981,639,465.30

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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.