Home / 657,441,278.67-907,283,650.80-375,178,099.82

Finding the Fourth Proportional to 657,441,278.67, 907,283,650.80 and 375,178,099.82

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Solution

The fourth proportional to 657,441,278.67, 907,283,650.80 and 375,178,099.82 is: 517,754,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,441,278.67 : 907,283,650.80 = 375,178,099.82 : x
  2. Step 2: Convert to fraction form
    657,441,278.67/907,283,650.80 = 375,178,099.82/x
  3. Step 3: Cross multiply
    657,441,278.67x = 907,283,650.80 × 375,178,099.82
  4. Step 4: Simplify right side
    657,441,278.67x = 340,392,956,104,896,384
  5. Step 5: Solve for x
    x = 340,392,956,104,896,384/657,441,278.67
  6. Step 6: Final answer
    x = 517,754,158.66

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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.