Home / 712,051,536.40-1,068,197,895.72-245,586,306.40

Finding the Fourth Proportional to 712,051,536.40, 1,068,197,895.72 and 245,586,306.40

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Solution

The fourth proportional to 712,051,536.40, 1,068,197,895.72 and 245,586,306.40 is: 368,421,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,051,536.40 : 1,068,197,895.72 = 245,586,306.40 : x
  2. Step 2: Convert to fraction form
    712,051,536.40/1,068,197,895.72 = 245,586,306.40/x
  3. Step 3: Cross multiply
    712,051,536.40x = 1,068,197,895.72 × 245,586,306.40
  4. Step 4: Simplify right side
    712,051,536.40x = 262,334,775,714,127,168
  5. Step 5: Solve for x
    x = 262,334,775,714,127,168/712,051,536.40
  6. Step 6: Final answer
    x = 368,421,051.43

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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.