Home / 715,392,001.80-1,073,088,002.70-710,857,038.60

Finding the Fourth Proportional to 715,392,001.80, 1,073,088,002.70 and 710,857,038.60

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Solution

The fourth proportional to 715,392,001.80, 1,073,088,002.70 and 710,857,038.60 is: 1,066,285,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,392,001.80 : 1,073,088,002.70 = 710,857,038.60 : x
  2. Step 2: Convert to fraction form
    715,392,001.80/1,073,088,002.70 = 710,857,038.60/x
  3. Step 3: Cross multiply
    715,392,001.80x = 1,073,088,002.70 × 710,857,038.60
  4. Step 4: Simplify right side
    715,392,001.80x = 762,812,159,756,510,848
  5. Step 5: Solve for x
    x = 762,812,159,756,510,848/715,392,001.80
  6. Step 6: Final answer
    x = 1,066,285,557.90

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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.