Home / 640,616,823.10-960,925,234.65-435,031,824.70

Finding the Fourth Proportional to 640,616,823.10, 960,925,234.65 and 435,031,824.70

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Solution

The fourth proportional to 640,616,823.10, 960,925,234.65 and 435,031,824.70 is: 652,547,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,616,823.10 : 960,925,234.65 = 435,031,824.70 : x
  2. Step 2: Convert to fraction form
    640,616,823.10/960,925,234.65 = 435,031,824.70/x
  3. Step 3: Cross multiply
    640,616,823.10x = 960,925,234.65 × 435,031,824.70
  4. Step 4: Simplify right side
    640,616,823.10x = 418,033,058,230,065,152
  5. Step 5: Solve for x
    x = 418,033,058,230,065,152/640,616,823.10
  6. Step 6: Final answer
    x = 652,547,737.05

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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.