Home / 686,312,567.20-1,029,605,844.45-358,935,463.36

Finding the Fourth Proportional to 686,312,567.20, 1,029,605,844.45 and 358,935,463.36

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Solution

The fourth proportional to 686,312,567.20, 1,029,605,844.45 and 358,935,463.36 is: 538,474,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,312,567.20 : 1,029,605,844.45 = 358,935,463.36 : x
  2. Step 2: Convert to fraction form
    686,312,567.20/1,029,605,844.45 = 358,935,463.36/x
  3. Step 3: Cross multiply
    686,312,567.20x = 1,029,605,844.45 × 358,935,463.36
  4. Step 4: Simplify right side
    686,312,567.20x = 369,562,050,855,824,896
  5. Step 5: Solve for x
    x = 369,562,050,855,824,896/686,312,567.20
  6. Step 6: Final answer
    x = 538,474,841.52

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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.