Home / 847,872,030.30-1,271,808,045.45-842,497,259.10

Finding the Fourth Proportional to 847,872,030.30, 1,271,808,045.45 and 842,497,259.10

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Solution

The fourth proportional to 847,872,030.30, 1,271,808,045.45 and 842,497,259.10 is: 1,263,745,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,872,030.30 : 1,271,808,045.45 = 842,497,259.10 : x
  2. Step 2: Convert to fraction form
    847,872,030.30/1,271,808,045.45 = 842,497,259.10/x
  3. Step 3: Cross multiply
    847,872,030.30x = 1,271,808,045.45 × 842,497,259.10
  4. Step 4: Simplify right side
    847,872,030.30x = 1,071,494,792,392,953,344
  5. Step 5: Solve for x
    x = 1,071,494,792,392,953,344/847,872,030.30
  6. Step 6: Final answer
    x = 1,263,745,888.65

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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.