Home / 371,289,623.40-556,934,435.10-286,354,967.40

Finding the Fourth Proportional to 371,289,623.40, 556,934,435.10 and 286,354,967.40

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Solution

The fourth proportional to 371,289,623.40, 556,934,435.10 and 286,354,967.40 is: 429,532,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,289,623.40 : 556,934,435.10 = 286,354,967.40 : x
  2. Step 2: Convert to fraction form
    371,289,623.40/556,934,435.10 = 286,354,967.40/x
  3. Step 3: Cross multiply
    371,289,623.40x = 556,934,435.10 × 286,354,967.40
  4. Step 4: Simplify right side
    371,289,623.40x = 159,480,942,006,997,920
  5. Step 5: Solve for x
    x = 159,480,942,006,997,920/371,289,623.40
  6. Step 6: Final answer
    x = 429,532,451.10

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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.