Home / 612,345,602.80-918,518,404.20-586,836,434.80

Finding the Fourth Proportional to 612,345,602.80, 918,518,404.20 and 586,836,434.80

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Solution

The fourth proportional to 612,345,602.80, 918,518,404.20 and 586,836,434.80 is: 880,254,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,345,602.80 : 918,518,404.20 = 586,836,434.80 : x
  2. Step 2: Convert to fraction form
    612,345,602.80/918,518,404.20 = 586,836,434.80/x
  3. Step 3: Cross multiply
    612,345,602.80x = 918,518,404.20 × 586,836,434.80
  4. Step 4: Simplify right side
    612,345,602.80x = 539,020,065,618,913,344
  5. Step 5: Solve for x
    x = 539,020,065,618,913,344/612,345,602.80
  6. Step 6: Final answer
    x = 880,254,652.20

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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.