Home / 1,220,184,095.40-1,830,276,143.10-391,136,135.40

Finding the Fourth Proportional to 1,220,184,095.40, 1,830,276,143.10 and 391,136,135.40

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Solution

The fourth proportional to 1,220,184,095.40, 1,830,276,143.10 and 391,136,135.40 is: 586,704,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,184,095.40 : 1,830,276,143.10 = 391,136,135.40 : x
  2. Step 2: Convert to fraction form
    1,220,184,095.40/1,830,276,143.10 = 391,136,135.40/x
  3. Step 3: Cross multiply
    1,220,184,095.40x = 1,830,276,143.10 × 391,136,135.40
  4. Step 4: Simplify right side
    1,220,184,095.40x = 715,887,137,326,951,296
  5. Step 5: Solve for x
    x = 715,887,137,326,951,296/1,220,184,095.40
  6. Step 6: Final answer
    x = 586,704,203.10

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Double scale
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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.