Home / 56,920,767,636.36-78,550,666,783.86-31,547,877,051.72

Finding the Fourth Proportional to 56,920,767,636.36, 78,550,666,783.86 and 31,547,877,051.72

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Solution

The fourth proportional to 56,920,767,636.36, 78,550,666,783.86 and 31,547,877,051.72 is: 43,536,074,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,920,767,636.36 : 78,550,666,783.86 = 31,547,877,051.72 : x
  2. Step 2: Convert to fraction form
    56,920,767,636.36/78,550,666,783.86 = 31,547,877,051.72/x
  3. Step 3: Cross multiply
    56,920,767,636.36x = 78,550,666,783.86 × 31,547,877,051.72
  4. Step 4: Simplify right side
    56,920,767,636.36x = 2,478,106,778,027,841,552,384
  5. Step 5: Solve for x
    x = 2,478,106,778,027,841,552,384/56,920,767,636.36
  6. Step 6: Final answer
    x = 43,536,074,458.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.