Home / 708,590,082.30-1,062,885,123.45-553,621,886.70

Finding the Fourth Proportional to 708,590,082.30, 1,062,885,123.45 and 553,621,886.70

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Solution

The fourth proportional to 708,590,082.30, 1,062,885,123.45 and 553,621,886.70 is: 830,432,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,082.30 : 1,062,885,123.45 = 553,621,886.70 : x
  2. Step 2: Convert to fraction form
    708,590,082.30/1,062,885,123.45 = 553,621,886.70/x
  3. Step 3: Cross multiply
    708,590,082.30x = 1,062,885,123.45 × 553,621,886.70
  4. Step 4: Simplify right side
    708,590,082.30x = 588,436,467,389,751,552
  5. Step 5: Solve for x
    x = 588,436,467,389,751,552/708,590,082.30
  6. Step 6: Final answer
    x = 830,432,830.05

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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.