Home / 1,116,457,931.54-1,539,569,945.22-739,983,798.54

Finding the Fourth Proportional to 1,116,457,931.54, 1,539,569,945.22 and 739,983,798.54

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Solution

The fourth proportional to 1,116,457,931.54, 1,539,569,945.22 and 739,983,798.54 is: 1,020,420,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,457,931.54 : 1,539,569,945.22 = 739,983,798.54 : x
  2. Step 2: Convert to fraction form
    1,116,457,931.54/1,539,569,945.22 = 739,983,798.54/x
  3. Step 3: Cross multiply
    1,116,457,931.54x = 1,539,569,945.22 × 739,983,798.54
  4. Step 4: Simplify right side
    1,116,457,931.54x = 1,139,256,816,181,915,264
  5. Step 5: Solve for x
    x = 1,139,256,816,181,915,264/1,116,457,931.54
  6. Step 6: Final answer
    x = 1,020,420,728.80

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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.