Home / 472,478,263.29-708,751,447.52-181,345,386.06

Finding the Fourth Proportional to 472,478,263.29, 708,751,447.52 and 181,345,386.06

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Solution

The fourth proportional to 472,478,263.29, 708,751,447.52 and 181,345,386.06 is: 272,031,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,478,263.29 : 708,751,447.52 = 181,345,386.06 : x
  2. Step 2: Convert to fraction form
    472,478,263.29/708,751,447.52 = 181,345,386.06/x
  3. Step 3: Cross multiply
    472,478,263.29x = 708,751,447.52 × 181,345,386.06
  4. Step 4: Simplify right side
    472,478,263.29x = 128,528,804,872,211,168
  5. Step 5: Solve for x
    x = 128,528,804,872,211,168/472,478,263.29
  6. Step 6: Final answer
    x = 272,031,149.06

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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.