Home / 572,533,008.40-858,799,512.60-530,442,881.20

Finding the Fourth Proportional to 572,533,008.40, 858,799,512.60 and 530,442,881.20

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Solution

The fourth proportional to 572,533,008.40, 858,799,512.60 and 530,442,881.20 is: 795,664,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,533,008.40 : 858,799,512.60 = 530,442,881.20 : x
  2. Step 2: Convert to fraction form
    572,533,008.40/858,799,512.60 = 530,442,881.20/x
  3. Step 3: Cross multiply
    572,533,008.40x = 858,799,512.60 × 530,442,881.20
  4. Step 4: Simplify right side
    572,533,008.40x = 455,544,087,836,699,712
  5. Step 5: Solve for x
    x = 455,544,087,836,699,712/572,533,008.40
  6. Step 6: Final answer
    x = 795,664,321.80

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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.