Home / 1,310,637,690.07-1,808,679,942.75-707,808,262.45

Finding the Fourth Proportional to 1,310,637,690.07, 1,808,679,942.75 and 707,808,262.45

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Solution

The fourth proportional to 1,310,637,690.07, 1,808,679,942.75 and 707,808,262.45 is: 976,775,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,637,690.07 : 1,808,679,942.75 = 707,808,262.45 : x
  2. Step 2: Convert to fraction form
    1,310,637,690.07/1,808,679,942.75 = 707,808,262.45/x
  3. Step 3: Cross multiply
    1,310,637,690.07x = 1,808,679,942.75 × 707,808,262.45
  4. Step 4: Simplify right side
    1,310,637,690.07x = 1,280,198,607,606,043,136
  5. Step 5: Solve for x
    x = 1,280,198,607,606,043,136/1,310,637,690.07
  6. Step 6: Final answer
    x = 976,775,364.62

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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.