Home / 318,282,307.20-439,068,807.18-186,036,904.80

Finding the Fourth Proportional to 318,282,307.20, 439,068,807.18 and 186,036,904.80

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Solution

The fourth proportional to 318,282,307.20, 439,068,807.18 and 186,036,904.80 is: 256,636,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,282,307.20 : 439,068,807.18 = 186,036,904.80 : x
  2. Step 2: Convert to fraction form
    318,282,307.20/439,068,807.18 = 186,036,904.80/x
  3. Step 3: Cross multiply
    318,282,307.20x = 439,068,807.18 × 186,036,904.80
  4. Step 4: Simplify right side
    318,282,307.20x = 81,683,001,881,995,216
  5. Step 5: Solve for x
    x = 81,683,001,881,995,216/318,282,307.20
  6. Step 6: Final answer
    x = 256,636,954.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.