Home / 410,153,020,099.20-614,739,754,123.20-171,387,207,619.20

Finding the Fourth Proportional to 410,153,020,099.20, 614,739,754,123.20 and 171,387,207,619.20

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Solution

The fourth proportional to 410,153,020,099.20, 614,739,754,123.20 and 171,387,207,619.20 is: 256,876,152,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,153,020,099.20 : 614,739,754,123.20 = 171,387,207,619.20 : x
  2. Step 2: Convert to fraction form
    410,153,020,099.20/614,739,754,123.20 = 171,387,207,619.20/x
  3. Step 3: Cross multiply
    410,153,020,099.20x = 614,739,754,123.20 × 171,387,207,619.20
  4. Step 4: Simplify right side
    410,153,020,099.20x = 105,358,529,871,688,834,744,320
  5. Step 5: Solve for x
    x = 105,358,529,871,688,834,744,320/410,153,020,099.20
  6. Step 6: Final answer
    x = 256,876,152,822.69

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1.5x scale

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.