Home / 614,532,153.40-921,798,230.10-604,328,486.20

Finding the Fourth Proportional to 614,532,153.40, 921,798,230.10 and 604,328,486.20

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Solution

The fourth proportional to 614,532,153.40, 921,798,230.10 and 604,328,486.20 is: 906,492,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,532,153.40 : 921,798,230.10 = 604,328,486.20 : x
  2. Step 2: Convert to fraction form
    614,532,153.40/921,798,230.10 = 604,328,486.20/x
  3. Step 3: Cross multiply
    614,532,153.40x = 921,798,230.10 × 604,328,486.20
  4. Step 4: Simplify right side
    614,532,153.40x = 557,068,928,978,172,352
  5. Step 5: Solve for x
    x = 557,068,928,978,172,352/614,532,153.40
  6. Step 6: Final answer
    x = 906,492,729.30

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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.