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Finding the Fourth Proportional to 710,473,321.98, 980,403,411.69 and 413,094,466.62

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Solution

The fourth proportional to 710,473,321.98, 980,403,411.69 and 413,094,466.62 is: 570,041,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,473,321.98 : 980,403,411.69 = 413,094,466.62 : x
  2. Step 2: Convert to fraction form
    710,473,321.98/980,403,411.69 = 413,094,466.62/x
  3. Step 3: Cross multiply
    710,473,321.98x = 980,403,411.69 × 413,094,466.62
  4. Step 4: Simplify right side
    710,473,321.98x = 404,999,224,424,508,864
  5. Step 5: Solve for x
    x = 404,999,224,424,508,864/710,473,321.98
  6. Step 6: Final answer
    x = 570,041,424.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.