Home / 837,481,814.16-1,153,596,510.73-638,898,546.68

Finding the Fourth Proportional to 837,481,814.16, 1,153,596,510.73 and 638,898,546.68

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Solution

The fourth proportional to 837,481,814.16, 1,153,596,510.73 and 638,898,546.68 is: 880,056,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,481,814.16 : 1,153,596,510.73 = 638,898,546.68 : x
  2. Step 2: Convert to fraction form
    837,481,814.16/1,153,596,510.73 = 638,898,546.68/x
  3. Step 3: Cross multiply
    837,481,814.16x = 1,153,596,510.73 × 638,898,546.68
  4. Step 4: Simplify right side
    837,481,814.16x = 737,031,134,159,904,768
  5. Step 5: Solve for x
    x = 737,031,134,159,904,768/837,481,814.16
  6. Step 6: Final answer
    x = 880,056,285.05

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1.5x scale

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.