Home / 319,249,055.89-478,643,756.32-196,173,091.41

Finding the Fourth Proportional to 319,249,055.89, 478,643,756.32 and 196,173,091.41

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Solution

The fourth proportional to 319,249,055.89, 478,643,756.32 and 196,173,091.41 is: 294,118,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,249,055.89 : 478,643,756.32 = 196,173,091.41 : x
  2. Step 2: Convert to fraction form
    319,249,055.89/478,643,756.32 = 196,173,091.41/x
  3. Step 3: Cross multiply
    319,249,055.89x = 478,643,756.32 × 196,173,091.41
  4. Step 4: Simplify right side
    319,249,055.89x = 93,897,025,360,547,344
  5. Step 5: Solve for x
    x = 93,897,025,360,547,344/319,249,055.89
  6. Step 6: Final answer
    x = 294,118,412.03

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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.