Home / 388,904,023.64-583,547,558.54-181,612,307.41

Finding the Fourth Proportional to 388,904,023.64, 583,547,558.54 and 181,612,307.41

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Solution

The fourth proportional to 388,904,023.64, 583,547,558.54 and 181,612,307.41 is: 272,507,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,904,023.64 : 583,547,558.54 = 181,612,307.41 : x
  2. Step 2: Convert to fraction form
    388,904,023.64/583,547,558.54 = 181,612,307.41/x
  3. Step 3: Cross multiply
    388,904,023.64x = 583,547,558.54 × 181,612,307.41
  4. Step 4: Simplify right side
    388,904,023.64x = 105,979,418,589,921,440
  5. Step 5: Solve for x
    x = 105,979,418,589,921,440/388,904,023.64
  6. Step 6: Final answer
    x = 272,507,899.50

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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.