Home / 614,552,486.20-921,828,729.30-549,982,404.70

Finding the Fourth Proportional to 614,552,486.20, 921,828,729.30 and 549,982,404.70

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Solution

The fourth proportional to 614,552,486.20, 921,828,729.30 and 549,982,404.70 is: 824,973,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,552,486.20 : 921,828,729.30 = 549,982,404.70 : x
  2. Step 2: Convert to fraction form
    614,552,486.20/921,828,729.30 = 549,982,404.70/x
  3. Step 3: Cross multiply
    614,552,486.20x = 921,828,729.30 × 549,982,404.70
  4. Step 4: Simplify right side
    614,552,486.20x = 506,989,581,261,959,360
  5. Step 5: Solve for x
    x = 506,989,581,261,959,360/614,552,486.20
  6. Step 6: Final answer
    x = 824,973,607.05

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Double scale
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Similar ratio
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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.