Home / 388,864,326.50-536,674,357.50-238,256,931.68

Finding the Fourth Proportional to 388,864,326.50, 536,674,357.50 and 238,256,931.68

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Solution

The fourth proportional to 388,864,326.50, 536,674,357.50 and 238,256,931.68 is: 328,820,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,864,326.50 : 536,674,357.50 = 238,256,931.68 : x
  2. Step 2: Convert to fraction form
    388,864,326.50/536,674,357.50 = 238,256,931.68/x
  3. Step 3: Cross multiply
    388,864,326.50x = 536,674,357.50 × 238,256,931.68
  4. Step 4: Simplify right side
    388,864,326.50x = 127,866,385,727,559,776
  5. Step 5: Solve for x
    x = 127,866,385,727,559,776/388,864,326.50
  6. Step 6: Final answer
    x = 328,820,046.00

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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.