Home / 280,492,832.40-420,739,248.60-232,717,088.40

Finding the Fourth Proportional to 280,492,832.40, 420,739,248.60 and 232,717,088.40

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Solution

The fourth proportional to 280,492,832.40, 420,739,248.60 and 232,717,088.40 is: 349,075,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,492,832.40 : 420,739,248.60 = 232,717,088.40 : x
  2. Step 2: Convert to fraction form
    280,492,832.40/420,739,248.60 = 232,717,088.40/x
  3. Step 3: Cross multiply
    280,492,832.40x = 420,739,248.60 × 232,717,088.40
  4. Step 4: Simplify right side
    280,492,832.40x = 97,913,212,909,795,792
  5. Step 5: Solve for x
    x = 97,913,212,909,795,792/280,492,832.40
  6. Step 6: Final answer
    x = 349,075,632.60

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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.