Home / 708,590,807.70-1,062,886,211.55-611,655,969.30

Finding the Fourth Proportional to 708,590,807.70, 1,062,886,211.55 and 611,655,969.30

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Solution

The fourth proportional to 708,590,807.70, 1,062,886,211.55 and 611,655,969.30 is: 917,483,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,807.70 : 1,062,886,211.55 = 611,655,969.30 : x
  2. Step 2: Convert to fraction form
    708,590,807.70/1,062,886,211.55 = 611,655,969.30/x
  3. Step 3: Cross multiply
    708,590,807.70x = 1,062,886,211.55 × 611,655,969.30
  4. Step 4: Simplify right side
    708,590,807.70x = 650,120,695,981,219,968
  5. Step 5: Solve for x
    x = 650,120,695,981,219,968/708,590,807.70
  6. Step 6: Final answer
    x = 917,483,953.95

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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.