Home / 314,929,085.10-472,393,627.65-308,210,621.10

Finding the Fourth Proportional to 314,929,085.10, 472,393,627.65 and 308,210,621.10

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Solution

The fourth proportional to 314,929,085.10, 472,393,627.65 and 308,210,621.10 is: 462,315,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,085.10 : 472,393,627.65 = 308,210,621.10 : x
  2. Step 2: Convert to fraction form
    314,929,085.10/472,393,627.65 = 308,210,621.10/x
  3. Step 3: Cross multiply
    314,929,085.10x = 472,393,627.65 × 308,210,621.10
  4. Step 4: Simplify right side
    314,929,085.10x = 145,596,733,381,688,640
  5. Step 5: Solve for x
    x = 145,596,733,381,688,640/314,929,085.10
  6. Step 6: Final answer
    x = 462,315,931.65

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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.