Home / 761,508,433.12-1,050,494,814.48-497,345,038.24

Finding the Fourth Proportional to 761,508,433.12, 1,050,494,814.48 and 497,345,038.24

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Solution

The fourth proportional to 761,508,433.12, 1,050,494,814.48 and 497,345,038.24 is: 686,083,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,508,433.12 : 1,050,494,814.48 = 497,345,038.24 : x
  2. Step 2: Convert to fraction form
    761,508,433.12/1,050,494,814.48 = 497,345,038.24/x
  3. Step 3: Cross multiply
    761,508,433.12x = 1,050,494,814.48 × 497,345,038.24
  4. Step 4: Simplify right side
    761,508,433.12x = 522,458,383,678,477,312
  5. Step 5: Solve for x
    x = 522,458,383,678,477,312/761,508,433.12
  6. Step 6: Final answer
    x = 686,083,516.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.