Home / 713,655,607.81-1,070,535,007.23-298,715,111.23

Finding the Fourth Proportional to 713,655,607.81, 1,070,535,007.23 and 298,715,111.23

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Solution

The fourth proportional to 713,655,607.81, 1,070,535,007.23 and 298,715,111.23 is: 448,094,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,655,607.81 : 1,070,535,007.23 = 298,715,111.23 : x
  2. Step 2: Convert to fraction form
    713,655,607.81/1,070,535,007.23 = 298,715,111.23/x
  3. Step 3: Cross multiply
    713,655,607.81x = 1,070,535,007.23 × 298,715,111.23
  4. Step 4: Simplify right side
    713,655,607.81x = 319,784,983,760,318,336
  5. Step 5: Solve for x
    x = 319,784,983,760,318,336/713,655,607.81
  6. Step 6: Final answer
    x = 448,094,263.20

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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.