Home / 761,496,249.18-1,050,478,056.06-497,332,871.31

Finding the Fourth Proportional to 761,496,249.18, 1,050,478,056.06 and 497,332,871.31

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Solution

The fourth proportional to 761,496,249.18, 1,050,478,056.06 and 497,332,871.31 is: 686,066,764.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,496,249.18 : 1,050,478,056.06 = 497,332,871.31 : x
  2. Step 2: Convert to fraction form
    761,496,249.18/1,050,478,056.06 = 497,332,871.31/x
  3. Step 3: Cross multiply
    761,496,249.18x = 1,050,478,056.06 × 497,332,871.31
  4. Step 4: Simplify right side
    761,496,249.18x = 522,437,267,868,466,944
  5. Step 5: Solve for x
    x = 522,437,267,868,466,944/761,496,249.18
  6. Step 6: Final answer
    x = 686,066,764.52

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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.