Home / 1,209,154,856,340.40-1,813,739,064,369.30-403,319,585,299.32

Finding the Fourth Proportional to 1,209,154,856,340.40, 1,813,739,064,369.30 and 403,319,585,299.32

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Solution

The fourth proportional to 1,209,154,856,340.40, 1,813,739,064,369.30 and 403,319,585,299.32 is: 604,981,639,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,154,856,340.40 : 1,813,739,064,369.30 = 403,319,585,299.32 : x
  2. Step 2: Convert to fraction form
    1,209,154,856,340.40/1,813,739,064,369.30 = 403,319,585,299.32/x
  3. Step 3: Cross multiply
    1,209,154,856,340.40x = 1,813,739,064,369.30 × 403,319,585,299.32
  4. Step 4: Simplify right side
    1,209,154,856,340.40x = 731,516,487,282,602,706,731,008
  5. Step 5: Solve for x
    x = 731,516,487,282,602,706,731,008/1,209,154,856,340.40
  6. Step 6: Final answer
    x = 604,981,639,404.40

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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.