Home / 689,473,478.40-1,034,210,217.60-535,284,729.60

Finding the Fourth Proportional to 689,473,478.40, 1,034,210,217.60 and 535,284,729.60

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Solution

The fourth proportional to 689,473,478.40, 1,034,210,217.60 and 535,284,729.60 is: 802,927,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,473,478.40 : 1,034,210,217.60 = 535,284,729.60 : x
  2. Step 2: Convert to fraction form
    689,473,478.40/1,034,210,217.60 = 535,284,729.60/x
  3. Step 3: Cross multiply
    689,473,478.40x = 1,034,210,217.60 × 535,284,729.60
  4. Step 4: Simplify right side
    689,473,478.40x = 553,596,936,677,573,184
  5. Step 5: Solve for x
    x = 553,596,936,677,573,184/689,473,478.40
  6. Step 6: Final answer
    x = 802,927,094.40

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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.