Home / 387,526,037,482.20-581,289,056,223.30-382,301,759,875.80

Finding the Fourth Proportional to 387,526,037,482.20, 581,289,056,223.30 and 382,301,759,875.80

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Solution

The fourth proportional to 387,526,037,482.20, 581,289,056,223.30 and 382,301,759,875.80 is: 573,452,639,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,526,037,482.20 : 581,289,056,223.30 = 382,301,759,875.80 : x
  2. Step 2: Convert to fraction form
    387,526,037,482.20/581,289,056,223.30 = 382,301,759,875.80/x
  3. Step 3: Cross multiply
    387,526,037,482.20x = 581,289,056,223.30 × 382,301,759,875.80
  4. Step 4: Simplify right side
    387,526,037,482.20x = 222,227,829,190,710,452,551,680
  5. Step 5: Solve for x
    x = 222,227,829,190,710,452,551,680/387,526,037,482.20
  6. Step 6: Final answer
    x = 573,452,639,813.70

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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.