Home / 560,107,421.40-840,161,132.10-301,827,095.40

Finding the Fourth Proportional to 560,107,421.40, 840,161,132.10 and 301,827,095.40

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Solution

The fourth proportional to 560,107,421.40, 840,161,132.10 and 301,827,095.40 is: 452,740,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,107,421.40 : 840,161,132.10 = 301,827,095.40 : x
  2. Step 2: Convert to fraction form
    560,107,421.40/840,161,132.10 = 301,827,095.40/x
  3. Step 3: Cross multiply
    560,107,421.40x = 840,161,132.10 × 301,827,095.40
  4. Step 4: Simplify right side
    560,107,421.40x = 253,583,394,169,718,688
  5. Step 5: Solve for x
    x = 253,583,394,169,718,688/560,107,421.40
  6. Step 6: Final answer
    x = 452,740,643.10

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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.