Home / 977,123,943.48-1,348,424,752.60-559,516,941.48

Finding the Fourth Proportional to 977,123,943.48, 1,348,424,752.60 and 559,516,941.48

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Solution

The fourth proportional to 977,123,943.48, 1,348,424,752.60 and 559,516,941.48 is: 772,129,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,123,943.48 : 1,348,424,752.60 = 559,516,941.48 : x
  2. Step 2: Convert to fraction form
    977,123,943.48/1,348,424,752.60 = 559,516,941.48/x
  3. Step 3: Cross multiply
    977,123,943.48x = 1,348,424,752.60 × 559,516,941.48
  4. Step 4: Simplify right side
    977,123,943.48x = 754,466,493,390,677,632
  5. Step 5: Solve for x
    x = 754,466,493,390,677,632/977,123,943.48
  6. Step 6: Final answer
    x = 772,129,777.83

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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.