Home / 1,519,712,823.61-2,097,225,114.84-875,612,782.31

Finding the Fourth Proportional to 1,519,712,823.61, 2,097,225,114.84 and 875,612,782.31

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Solution

The fourth proportional to 1,519,712,823.61, 2,097,225,114.84 and 875,612,782.31 is: 1,208,357,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,712,823.61 : 2,097,225,114.84 = 875,612,782.31 : x
  2. Step 2: Convert to fraction form
    1,519,712,823.61/2,097,225,114.84 = 875,612,782.31/x
  3. Step 3: Cross multiply
    1,519,712,823.61x = 2,097,225,114.84 × 875,612,782.31
  4. Step 4: Simplify right side
    1,519,712,823.61x = 1,836,357,117,931,083,520
  5. Step 5: Solve for x
    x = 1,836,357,117,931,083,520/1,519,712,823.61
  6. Step 6: Final answer
    x = 1,208,357,980.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.