Home / 688,305,105.16-949,849,085.73-375,041,893.30

Finding the Fourth Proportional to 688,305,105.16, 949,849,085.73 and 375,041,893.30

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Solution

The fourth proportional to 688,305,105.16, 949,849,085.73 and 375,041,893.30 is: 517,551,296.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,305,105.16 : 949,849,085.73 = 375,041,893.30 : x
  2. Step 2: Convert to fraction form
    688,305,105.16/949,849,085.73 = 375,041,893.30/x
  3. Step 3: Cross multiply
    688,305,105.16x = 949,849,085.73 × 375,041,893.30
  4. Step 4: Simplify right side
    688,305,105.16x = 356,233,199,461,453,248
  5. Step 5: Solve for x
    x = 356,233,199,461,453,248/688,305,105.16
  6. Step 6: Final answer
    x = 517,551,296.35

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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.