Home / 719,044,296.93-992,966,440.91-679,871,220.39

Finding the Fourth Proportional to 719,044,296.93, 992,966,440.91 and 679,871,220.39

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Solution

The fourth proportional to 719,044,296.93, 992,966,440.91 and 679,871,220.39 is: 938,870,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,044,296.93 : 992,966,440.91 = 679,871,220.39 : x
  2. Step 2: Convert to fraction form
    719,044,296.93/992,966,440.91 = 679,871,220.39/x
  3. Step 3: Cross multiply
    719,044,296.93x = 992,966,440.91 × 679,871,220.39
  4. Step 4: Simplify right side
    719,044,296.93x = 675,089,305,984,397,184
  5. Step 5: Solve for x
    x = 675,089,305,984,397,184/719,044,296.93
  6. Step 6: Final answer
    x = 938,870,259.96

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Half scale
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Double scale
Find fourth proportional to 719,044,297.93, 992,966,442.29 and 679,871,221.39
Similar ratio
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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.