Home / 425,316,875.20-637,975,312.80-152,652,212.80

Finding the Fourth Proportional to 425,316,875.20, 637,975,312.80 and 152,652,212.80

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Solution

The fourth proportional to 425,316,875.20, 637,975,312.80 and 152,652,212.80 is: 228,978,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,316,875.20 : 637,975,312.80 = 152,652,212.80 : x
  2. Step 2: Convert to fraction form
    425,316,875.20/637,975,312.80 = 152,652,212.80/x
  3. Step 3: Cross multiply
    425,316,875.20x = 637,975,312.80 × 152,652,212.80
  4. Step 4: Simplify right side
    425,316,875.20x = 97,388,343,210,692,160
  5. Step 5: Solve for x
    x = 97,388,343,210,692,160/425,316,875.20
  6. Step 6: Final answer
    x = 228,978,319.20

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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.