Home / 487,154,607.40-730,731,911.10-452,717,230.60

Finding the Fourth Proportional to 487,154,607.40, 730,731,911.10 and 452,717,230.60

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Solution

The fourth proportional to 487,154,607.40, 730,731,911.10 and 452,717,230.60 is: 679,075,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,154,607.40 : 730,731,911.10 = 452,717,230.60 : x
  2. Step 2: Convert to fraction form
    487,154,607.40/730,731,911.10 = 452,717,230.60/x
  3. Step 3: Cross multiply
    487,154,607.40x = 730,731,911.10 × 452,717,230.60
  4. Step 4: Simplify right side
    487,154,607.40x = 330,814,927,104,237,440
  5. Step 5: Solve for x
    x = 330,814,927,104,237,440/487,154,607.40
  6. Step 6: Final answer
    x = 679,075,845.90

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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.