Home / 696,902,483.79-1,045,349,075.47-282,373,189.38

Finding the Fourth Proportional to 696,902,483.79, 1,045,349,075.47 and 282,373,189.38

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Solution

The fourth proportional to 696,902,483.79, 1,045,349,075.47 and 282,373,189.38 is: 423,557,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,902,483.79 : 1,045,349,075.47 = 282,373,189.38 : x
  2. Step 2: Convert to fraction form
    696,902,483.79/1,045,349,075.47 = 282,373,189.38/x
  3. Step 3: Cross multiply
    696,902,483.79x = 1,045,349,075.47 × 282,373,189.38
  4. Step 4: Simplify right side
    696,902,483.79x = 295,178,552,455,898,240
  5. Step 5: Solve for x
    x = 295,178,552,455,898,240/696,902,483.79
  6. Step 6: Final answer
    x = 423,557,899.88

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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.