Home / 710,579,083.17-980,533,327.55-393,032,494.92

Finding the Fourth Proportional to 710,579,083.17, 980,533,327.55 and 393,032,494.92

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Solution

The fourth proportional to 710,579,083.17, 980,533,327.55 and 393,032,494.92 is: 542,348,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,579,083.17 : 980,533,327.55 = 393,032,494.92 : x
  2. Step 2: Convert to fraction form
    710,579,083.17/980,533,327.55 = 393,032,494.92/x
  3. Step 3: Cross multiply
    710,579,083.17x = 980,533,327.55 × 393,032,494.92
  4. Step 4: Simplify right side
    710,579,083.17x = 385,381,460,080,168,704
  5. Step 5: Solve for x
    x = 385,381,460,080,168,704/710,579,083.17
  6. Step 6: Final answer
    x = 542,348,443.98

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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.