Home / 1,214,789,061.68-1,676,400,558.24-657,859,364

Finding the Fourth Proportional to 1,214,789,061.68, 1,676,400,558.24 and 657,859,364

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Solution

The fourth proportional to 1,214,789,061.68, 1,676,400,558.24 and 657,859,364 is: 907,841,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,789,061.68 : 1,676,400,558.24 = 657,859,364 : x
  2. Step 2: Convert to fraction form
    1,214,789,061.68/1,676,400,558.24 = 657,859,364/x
  3. Step 3: Cross multiply
    1,214,789,061.68x = 1,676,400,558.24 × 657,859,364
  4. Step 4: Simplify right side
    1,214,789,061.68x = 1,102,835,805,053,011,328
  5. Step 5: Solve for x
    x = 1,102,835,805,053,011,328/1,214,789,061.68
  6. Step 6: Final answer
    x = 907,841,402.13

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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.