Home / 977,123,945.48-1,348,424,755.36-559,516,943.48

Finding the Fourth Proportional to 977,123,945.48, 1,348,424,755.36 and 559,516,943.48

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Solution

The fourth proportional to 977,123,945.48, 1,348,424,755.36 and 559,516,943.48 is: 772,129,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,123,945.48 : 1,348,424,755.36 = 559,516,943.48 : x
  2. Step 2: Convert to fraction form
    977,123,945.48/1,348,424,755.36 = 559,516,943.48/x
  3. Step 3: Cross multiply
    977,123,945.48x = 1,348,424,755.36 × 559,516,943.48
  4. Step 4: Simplify right side
    977,123,945.48x = 754,466,497,631,793,920
  5. Step 5: Solve for x
    x = 754,466,497,631,793,920/977,123,945.48
  6. Step 6: Final answer
    x = 772,129,780.59

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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.