Home / 1,915,830,036.60-2,873,745,054.90-688,839,055.80

Finding the Fourth Proportional to 1,915,830,036.60, 2,873,745,054.90 and 688,839,055.80

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Solution

The fourth proportional to 1,915,830,036.60, 2,873,745,054.90 and 688,839,055.80 is: 1,033,258,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,830,036.60 : 2,873,745,054.90 = 688,839,055.80 : x
  2. Step 2: Convert to fraction form
    1,915,830,036.60/2,873,745,054.90 = 688,839,055.80/x
  3. Step 3: Cross multiply
    1,915,830,036.60x = 2,873,745,054.90 × 688,839,055.80
  4. Step 4: Simplify right side
    1,915,830,036.60x = 1,979,547,830,227,235,072
  5. Step 5: Solve for x
    x = 1,979,547,830,227,235,072/1,915,830,036.60
  6. Step 6: Final answer
    x = 1,033,258,583.70

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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.