Home / 553,174,211.20-829,761,316.80-430,730,204.80

Finding the Fourth Proportional to 553,174,211.20, 829,761,316.80 and 430,730,204.80

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Solution

The fourth proportional to 553,174,211.20, 829,761,316.80 and 430,730,204.80 is: 646,095,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,174,211.20 : 829,761,316.80 = 430,730,204.80 : x
  2. Step 2: Convert to fraction form
    553,174,211.20/829,761,316.80 = 430,730,204.80/x
  3. Step 3: Cross multiply
    553,174,211.20x = 829,761,316.80 × 430,730,204.80
  4. Step 4: Simplify right side
    553,174,211.20x = 357,403,261,920,381,696
  5. Step 5: Solve for x
    x = 357,403,261,920,381,696/553,174,211.20
  6. Step 6: Final answer
    x = 646,095,307.20

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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.