Home / 648,298,865.16-971,903,341.08-525,171,859.20

Finding the Fourth Proportional to 648,298,865.16, 971,903,341.08 and 525,171,859.20

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Solution

The fourth proportional to 648,298,865.16, 971,903,341.08 and 525,171,859.20 is: 787,316,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,298,865.16 : 971,903,341.08 = 525,171,859.20 : x
  2. Step 2: Convert to fraction form
    648,298,865.16/971,903,341.08 = 525,171,859.20/x
  3. Step 3: Cross multiply
    648,298,865.16x = 971,903,341.08 × 525,171,859.20
  4. Step 4: Simplify right side
    648,298,865.16x = 510,416,284,597,675,328
  5. Step 5: Solve for x
    x = 510,416,284,597,675,328/648,298,865.16
  6. Step 6: Final answer
    x = 787,316,332.06

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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.