Home / 719,045,117.85-992,967,570.60-679,872,038.94

Finding the Fourth Proportional to 719,045,117.85, 992,967,570.60 and 679,872,038.94

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Solution

The fourth proportional to 719,045,117.85, 992,967,570.60 and 679,872,038.94 is: 938,871,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,045,117.85 : 992,967,570.60 = 679,872,038.94 : x
  2. Step 2: Convert to fraction form
    719,045,117.85/992,967,570.60 = 679,872,038.94/x
  3. Step 3: Cross multiply
    719,045,117.85x = 992,967,570.60 × 679,872,038.94
  4. Step 4: Simplify right side
    719,045,117.85x = 675,090,886,825,120,512
  5. Step 5: Solve for x
    x = 675,090,886,825,120,512/719,045,117.85
  6. Step 6: Final answer
    x = 938,871,386.60

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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.