Home / 384,912,460.80-577,368,691.20-97,698,124.80

Finding the Fourth Proportional to 384,912,460.80, 577,368,691.20 and 97,698,124.80

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Solution

The fourth proportional to 384,912,460.80, 577,368,691.20 and 97,698,124.80 is: 146,547,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,460.80 : 577,368,691.20 = 97,698,124.80 : x
  2. Step 2: Convert to fraction form
    384,912,460.80/577,368,691.20 = 97,698,124.80/x
  3. Step 3: Cross multiply
    384,912,460.80x = 577,368,691.20 × 97,698,124.80
  4. Step 4: Simplify right side
    384,912,460.80x = 56,407,838,448,470,264
  5. Step 5: Solve for x
    x = 56,407,838,448,470,264/384,912,460.80
  6. Step 6: Final answer
    x = 146,547,187.20

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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.