Home / 1,153,872,353.10-1,730,808,529.65-723,890,657.10

Finding the Fourth Proportional to 1,153,872,353.10, 1,730,808,529.65 and 723,890,657.10

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Solution

The fourth proportional to 1,153,872,353.10, 1,730,808,529.65 and 723,890,657.10 is: 1,085,835,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,872,353.10 : 1,730,808,529.65 = 723,890,657.10 : x
  2. Step 2: Convert to fraction form
    1,153,872,353.10/1,730,808,529.65 = 723,890,657.10/x
  3. Step 3: Cross multiply
    1,153,872,353.10x = 1,730,808,529.65 × 723,890,657.10
  4. Step 4: Simplify right side
    1,153,872,353.10x = 1,252,916,123,842,623,488
  5. Step 5: Solve for x
    x = 1,252,916,123,842,623,488/1,153,872,353.10
  6. Step 6: Final answer
    x = 1,085,835,985.65

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Double scale
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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.