Home / 1,915,830,035.10-2,873,745,052.65-688,839,054.30

Finding the Fourth Proportional to 1,915,830,035.10, 2,873,745,052.65 and 688,839,054.30

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Solution

The fourth proportional to 1,915,830,035.10, 2,873,745,052.65 and 688,839,054.30 is: 1,033,258,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,830,035.10 : 2,873,745,052.65 = 688,839,054.30 : x
  2. Step 2: Convert to fraction form
    1,915,830,035.10/2,873,745,052.65 = 688,839,054.30/x
  3. Step 3: Cross multiply
    1,915,830,035.10x = 2,873,745,052.65 × 688,839,054.30
  4. Step 4: Simplify right side
    1,915,830,035.10x = 1,979,547,824,366,729,728
  5. Step 5: Solve for x
    x = 1,979,547,824,366,729,728/1,915,830,035.10
  6. Step 6: Final answer
    x = 1,033,258,581.45

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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.