Home / 405,455,119,058.04-559,528,618,382.40-220,056,830,885.52

Finding the Fourth Proportional to 405,455,119,058.04, 559,528,618,382.40 and 220,056,830,885.52

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Solution

The fourth proportional to 405,455,119,058.04, 559,528,618,382.40 and 220,056,830,885.52 is: 303,678,727,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,455,119,058.04 : 559,528,618,382.40 = 220,056,830,885.52 : x
  2. Step 2: Convert to fraction form
    405,455,119,058.04/559,528,618,382.40 = 220,056,830,885.52/x
  3. Step 3: Cross multiply
    405,455,119,058.04x = 559,528,618,382.40 × 220,056,830,885.52
  4. Step 4: Simplify right side
    405,455,119,058.04x = 123,128,094,550,984,446,967,808
  5. Step 5: Solve for x
    x = 123,128,094,550,984,446,967,808/405,455,119,058.04
  6. Step 6: Final answer
    x = 303,678,727,344.81

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1.5x scale

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.