Home / 614,532,209.40-921,798,314.10-604,328,542.20

Finding the Fourth Proportional to 614,532,209.40, 921,798,314.10 and 604,328,542.20

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Solution

The fourth proportional to 614,532,209.40, 921,798,314.10 and 604,328,542.20 is: 906,492,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,532,209.40 : 921,798,314.10 = 604,328,542.20 : x
  2. Step 2: Convert to fraction form
    614,532,209.40/921,798,314.10 = 604,328,542.20/x
  3. Step 3: Cross multiply
    614,532,209.40x = 921,798,314.10 × 604,328,542.20
  4. Step 4: Simplify right side
    614,532,209.40x = 557,069,031,362,470,784
  5. Step 5: Solve for x
    x = 557,069,031,362,470,784/614,532,209.40
  6. Step 6: Final answer
    x = 906,492,813.30

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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.