Home / 1,310,707,092.40-1,966,047,172.80-757,657,618.40

Finding the Fourth Proportional to 1,310,707,092.40, 1,966,047,172.80 and 757,657,618.40

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Solution

The fourth proportional to 1,310,707,092.40, 1,966,047,172.80 and 757,657,618.40 is: 1,136,478,643.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,707,092.40 : 1,966,047,172.80 = 757,657,618.40 : x
  2. Step 2: Convert to fraction form
    1,310,707,092.40/1,966,047,172.80 = 757,657,618.40/x
  3. Step 3: Cross multiply
    1,310,707,092.40x = 1,966,047,172.80 × 757,657,618.40
  4. Step 4: Simplify right side
    1,310,707,092.40x = 1,489,590,618,605,701,120
  5. Step 5: Solve for x
    x = 1,489,590,618,605,701,120/1,310,707,092.40
  6. Step 6: Final answer
    x = 1,136,478,643.66

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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.