Home / 629,861,411.40-944,792,117.10-572,465,783.40

Finding the Fourth Proportional to 629,861,411.40, 944,792,117.10 and 572,465,783.40

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Solution

The fourth proportional to 629,861,411.40, 944,792,117.10 and 572,465,783.40 is: 858,698,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,861,411.40 : 944,792,117.10 = 572,465,783.40 : x
  2. Step 2: Convert to fraction form
    629,861,411.40/944,792,117.10 = 572,465,783.40/x
  3. Step 3: Cross multiply
    629,861,411.40x = 944,792,117.10 × 572,465,783.40
  4. Step 4: Simplify right side
    629,861,411.40x = 540,861,159,465,796,032
  5. Step 5: Solve for x
    x = 540,861,159,465,796,032/629,861,411.40
  6. Step 6: Final answer
    x = 858,698,675.10

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Half scale
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Double scale
Find fourth proportional to 629,861,412.40, 944,792,118.60 and 572,465,784.40
Similar ratio
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1.5x scale

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.