Home / 2,985,984,386.10-4,478,976,579.15-1,889,531,061.30

Finding the Fourth Proportional to 2,985,984,386.10, 4,478,976,579.15 and 1,889,531,061.30

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Solution

The fourth proportional to 2,985,984,386.10, 4,478,976,579.15 and 1,889,531,061.30 is: 2,834,296,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,984,386.10 : 4,478,976,579.15 = 1,889,531,061.30 : x
  2. Step 2: Convert to fraction form
    2,985,984,386.10/4,478,976,579.15 = 1,889,531,061.30/x
  3. Step 3: Cross multiply
    2,985,984,386.10x = 4,478,976,579.15 × 1,889,531,061.30
  4. Step 4: Simplify right side
    2,985,984,386.10x = 8,463,165,369,139,141,632
  5. Step 5: Solve for x
    x = 8,463,165,369,139,141,632/2,985,984,386.10
  6. Step 6: Final answer
    x = 2,834,296,591.95

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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.