Home / 695,031,746.40-1,042,531,678.80-349,892,690.40

Finding the Fourth Proportional to 695,031,746.40, 1,042,531,678.80 and 349,892,690.40

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Solution

The fourth proportional to 695,031,746.40, 1,042,531,678.80 and 349,892,690.40 is: 524,831,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,031,746.40 : 1,042,531,678.80 = 349,892,690.40 : x
  2. Step 2: Convert to fraction form
    695,031,746.40/1,042,531,678.80 = 349,892,690.40/x
  3. Step 3: Cross multiply
    695,031,746.40x = 1,042,531,678.80 × 349,892,690.40
  4. Step 4: Simplify right side
    695,031,746.40x = 364,774,213,922,560,576
  5. Step 5: Solve for x
    x = 364,774,213,922,560,576/695,031,746.40
  6. Step 6: Final answer
    x = 524,831,010.69

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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.