Home / 409,688,721.60-614,533,082.40-402,886,276.80

Finding the Fourth Proportional to 409,688,721.60, 614,533,082.40 and 402,886,276.80

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Solution

The fourth proportional to 409,688,721.60, 614,533,082.40 and 402,886,276.80 is: 604,329,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,688,721.60 : 614,533,082.40 = 402,886,276.80 : x
  2. Step 2: Convert to fraction form
    409,688,721.60/614,533,082.40 = 402,886,276.80/x
  3. Step 3: Cross multiply
    409,688,721.60x = 614,533,082.40 × 402,886,276.80
  4. Step 4: Simplify right side
    409,688,721.60x = 247,586,945,538,563,616
  5. Step 5: Solve for x
    x = 247,586,945,538,563,616/409,688,721.60
  6. Step 6: Final answer
    x = 604,329,415.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.