Home / 519,529,714.40-716,925,528.72-284,581,417.28

Finding the Fourth Proportional to 519,529,714.40, 716,925,528.72 and 284,581,417.28

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Solution

The fourth proportional to 519,529,714.40, 716,925,528.72 and 284,581,417.28 is: 392,708,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,529,714.40 : 716,925,528.72 = 284,581,417.28 : x
  2. Step 2: Convert to fraction form
    519,529,714.40/716,925,528.72 = 284,581,417.28/x
  3. Step 3: Cross multiply
    519,529,714.40x = 716,925,528.72 × 284,581,417.28
  4. Step 4: Simplify right side
    519,529,714.40x = 204,023,683,047,350,944
  5. Step 5: Solve for x
    x = 204,023,683,047,350,944/519,529,714.40
  6. Step 6: Final answer
    x = 392,708,400.29

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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.