Home / 991,361,058,682.32-1,487,345,069,915.70-507,657,759,050.02

Finding the Fourth Proportional to 991,361,058,682.32, 1,487,345,069,915.70 and 507,657,759,050.02

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Solution

The fourth proportional to 991,361,058,682.32, 1,487,345,069,915.70 and 507,657,759,050.02 is: 761,642,046,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,361,058,682.32 : 1,487,345,069,915.70 = 507,657,759,050.02 : x
  2. Step 2: Convert to fraction form
    991,361,058,682.32/1,487,345,069,915.70 = 507,657,759,050.02/x
  3. Step 3: Cross multiply
    991,361,058,682.32x = 1,487,345,069,915.70 × 507,657,759,050.02
  4. Step 4: Simplify right side
    991,361,058,682.32x = 755,062,265,127,499,634,573,312
  5. Step 5: Solve for x
    x = 755,062,265,127,499,634,573,312/991,361,058,682.32
  6. Step 6: Final answer
    x = 761,642,046,068.56

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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.