Home / 545,424,648.39-752,688,313.47-307,272,690.36

Finding the Fourth Proportional to 545,424,648.39, 752,688,313.47 and 307,272,690.36

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Solution

The fourth proportional to 545,424,648.39, 752,688,313.47 and 307,272,690.36 is: 424,037,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,424,648.39 : 752,688,313.47 = 307,272,690.36 : x
  2. Step 2: Convert to fraction form
    545,424,648.39/752,688,313.47 = 307,272,690.36/x
  3. Step 3: Cross multiply
    545,424,648.39x = 752,688,313.47 × 307,272,690.36
  4. Step 4: Simplify right side
    545,424,648.39x = 231,280,563,082,457,952
  5. Step 5: Solve for x
    x = 231,280,563,082,457,952/545,424,648.39
  6. Step 6: Final answer
    x = 424,037,607.70

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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.