Home / 657,931,010.70-986,896,516.05-528,790,847.70

Finding the Fourth Proportional to 657,931,010.70, 986,896,516.05 and 528,790,847.70

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Solution

The fourth proportional to 657,931,010.70, 986,896,516.05 and 528,790,847.70 is: 793,186,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,931,010.70 : 986,896,516.05 = 528,790,847.70 : x
  2. Step 2: Convert to fraction form
    657,931,010.70/986,896,516.05 = 528,790,847.70/x
  3. Step 3: Cross multiply
    657,931,010.70x = 986,896,516.05 × 528,790,847.70
  4. Step 4: Simplify right side
    657,931,010.70x = 521,861,845,314,256,128
  5. Step 5: Solve for x
    x = 521,861,845,314,256,128/657,931,010.70
  6. Step 6: Final answer
    x = 793,186,271.55

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Double scale
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Similar ratio
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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.