Home / 1,137,488,366,926.40-1,706,060,153,845.90-309,581,438,643.70

Finding the Fourth Proportional to 1,137,488,366,926.40, 1,706,060,153,845.90 and 309,581,438,643.70

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Solution

The fourth proportional to 1,137,488,366,926.40, 1,706,060,153,845.90 and 309,581,438,643.70 is: 464,325,238,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,488,366,926.40 : 1,706,060,153,845.90 = 309,581,438,643.70 : x
  2. Step 2: Convert to fraction form
    1,137,488,366,926.40/1,706,060,153,845.90 = 309,581,438,643.70/x
  3. Step 3: Cross multiply
    1,137,488,366,926.40x = 1,706,060,153,845.90 × 309,581,438,643.70
  4. Step 4: Simplify right side
    1,137,488,366,926.40x = 528,164,556,840,305,835,376,640
  5. Step 5: Solve for x
    x = 528,164,556,840,305,835,376,640/1,137,488,366,926.40
  6. Step 6: Final answer
    x = 464,325,238,127.45

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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.