Home / 719,044,126.37-992,966,205.41-679,871,049.75

Finding the Fourth Proportional to 719,044,126.37, 992,966,205.41 and 679,871,049.75

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Solution

The fourth proportional to 719,044,126.37, 992,966,205.41 and 679,871,049.75 is: 938,870,024.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,044,126.37 : 992,966,205.41 = 679,871,049.75 : x
  2. Step 2: Convert to fraction form
    719,044,126.37/992,966,205.41 = 679,871,049.75/x
  3. Step 3: Cross multiply
    719,044,126.37x = 992,966,205.41 × 679,871,049.75
  4. Step 4: Simplify right side
    719,044,126.37x = 675,088,976,438,370,816
  5. Step 5: Solve for x
    x = 675,088,976,438,370,816/719,044,126.37
  6. Step 6: Final answer
    x = 938,870,024.36

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Half scale
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Double scale
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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.