Home / 1,918,779,497.36-2,878,168,882.92-1,046,114,709.20

Finding the Fourth Proportional to 1,918,779,497.36, 2,878,168,882.92 and 1,046,114,709.20

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Solution

The fourth proportional to 1,918,779,497.36, 2,878,168,882.92 and 1,046,114,709.20 is: 1,569,171,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,779,497.36 : 2,878,168,882.92 = 1,046,114,709.20 : x
  2. Step 2: Convert to fraction form
    1,918,779,497.36/2,878,168,882.92 = 1,046,114,709.20/x
  3. Step 3: Cross multiply
    1,918,779,497.36x = 2,878,168,882.92 × 1,046,114,709.20
  4. Step 4: Simplify right side
    1,918,779,497.36x = 3,010,894,803,984,345,088
  5. Step 5: Solve for x
    x = 3,010,894,803,984,345,088/1,918,779,497.36
  6. Step 6: Final answer
    x = 1,569,171,865.83

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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.