Home / 1,426,464,007.80-2,139,696,011.70-927,122,044.20

Finding the Fourth Proportional to 1,426,464,007.80, 2,139,696,011.70 and 927,122,044.20

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Solution

The fourth proportional to 1,426,464,007.80, 2,139,696,011.70 and 927,122,044.20 is: 1,390,683,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,464,007.80 : 2,139,696,011.70 = 927,122,044.20 : x
  2. Step 2: Convert to fraction form
    1,426,464,007.80/2,139,696,011.70 = 927,122,044.20/x
  3. Step 3: Cross multiply
    1,426,464,007.80x = 2,139,696,011.70 × 927,122,044.20
  4. Step 4: Simplify right side
    1,426,464,007.80x = 1,983,759,340,333,891,328
  5. Step 5: Solve for x
    x = 1,983,759,340,333,891,328/1,426,464,007.80
  6. Step 6: Final answer
    x = 1,390,683,066.30

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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.