Home / 317,615,424,389.80-476,423,136,584.70-315,411,432,274.60

Finding the Fourth Proportional to 317,615,424,389.80, 476,423,136,584.70 and 315,411,432,274.60

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Solution

The fourth proportional to 317,615,424,389.80, 476,423,136,584.70 and 315,411,432,274.60 is: 473,117,148,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,615,424,389.80 : 476,423,136,584.70 = 315,411,432,274.60 : x
  2. Step 2: Convert to fraction form
    317,615,424,389.80/476,423,136,584.70 = 315,411,432,274.60/x
  3. Step 3: Cross multiply
    317,615,424,389.80x = 476,423,136,584.70 × 315,411,432,274.60
  4. Step 4: Simplify right side
    317,615,424,389.80x = 150,269,303,878,937,596,657,664
  5. Step 5: Solve for x
    x = 150,269,303,878,937,596,657,664/317,615,424,389.80
  6. Step 6: Final answer
    x = 473,117,148,411.90

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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.