Home / 486,443,752.64-671,303,240.16-277,595,737.28

Finding the Fourth Proportional to 486,443,752.64, 671,303,240.16 and 277,595,737.28

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Solution

The fourth proportional to 486,443,752.64, 671,303,240.16 and 277,595,737.28 is: 383,088,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,443,752.64 : 671,303,240.16 = 277,595,737.28 : x
  2. Step 2: Convert to fraction form
    486,443,752.64/671,303,240.16 = 277,595,737.28/x
  3. Step 3: Cross multiply
    486,443,752.64x = 671,303,240.16 × 277,595,737.28
  4. Step 4: Simplify right side
    486,443,752.64x = 186,350,917,890,668,064
  5. Step 5: Solve for x
    x = 186,350,917,890,668,064/486,443,752.64
  6. Step 6: Final answer
    x = 383,088,315.72

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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.